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2015 GMC Sierra 3500HD 4x2 Regular Cab 133.6 in. WB DRW Base


Vehicle New 2015 GMC Sierra 3500HD
Trim 4x2 Regular Cab 133.6 in. WB DRW Base
(standard) HD 6-Speed Automatic w/OD
(optional) Allison 1000 6-Spd Auto w/OD
Model Code TC35903/1SA
Availability National
MSRP $35,425.00
Destination $1,195.00


Body StyleVehicles Over 8,500 lbs.
Vehicle SizeFull Size
Drive TypeRWD
Seating Capacity3/3 passengers
Engine BlockV
Engline TypeGas
Displacement6.0 L.
Compression Ratio9.4:1
Torque380ft-lbs @ 4200 rpm
Horsepower360hp @ 5400 rpm
Fuel TypeRegular unleaded
Fuel Capacity36.0 gal.
Wheelbase133.6 in.
Overall Length224.4 in.
Vehicle Width96.0 in.
Vehicle Height76.8 in.
Ground Clearance8.0 in.
Curb Weight6295 lbs.
Max Payload7180 lbs.
Gross Weight13500 lbs.
Towing Capacity14200 lbs.
Turning Circle 45.8 ft.
Front Headroom42.8 in.
Front Legroom45.3 in.
7.6 seconds

Exterior Colors

These are the colors typically available for this vehicle. Color options may change during the model year. Contact Circle Auto Leasing for confirmation. The color samples displayed on your monitor may not precisely replicate the way they appear on the vehicle.

Woodland Green
Doeskin Tan
Wheatland Yellow
Tangier Orange
Stone Blue Metallic
Stealth Gray Metallic
Emerald Green Metallic
Quicksilver Metallic
Summit White
Onyx Black
Sonoma Red Metallic
Fire Red
Cobalt Blue Metallic
Bronze Alloy Metallic
Iridium Metallic

Interior Colors

Dark Ash/Jet Black (H2R)
Dark Ash/Jet Black (H2Q)
Jet Black (H0U)


Basic 3 Years / 36,000 Miles
Drivetrain 5 Years / 100,000 Miles
Roadside 5 Years / 100,000 Miles
Rust 6 Years / 100,000 Miles


Redesigned for 2015, the GMC Sierra 3500HDs are offered in 4x2 and 4x4 models with either a single rear wheel (SRW) or a double rear wheel configuration if extra payload and/or towing requirements are needed. The bold new exterior houses a choice of gas or bi-fuel (gasoline and CNG) 6.0-liter V8 or Duramax 6.6-liter diesel engines, a fully updated cabin with available IntelliLink connectivity and other features designed for the most discerning truck owners. GMC designers evolved the Sierra 3500HD's familiar shape while adding distinctive details like standard projector headlamps, available LED signature accent lighting and detailed new grilles. All Sierra models have chrome grille surrounds and premium black wheel arch moldings, and different trim levels feature chrome belt moldings, mirror caps and door handles, as well as unique wheel designs and grille details. A new double-cab model, which features forward-hinged rear doors, replaces the previous extended cab, and allows easier access to the back seat, especially in tight parking spaces. The rear doors on crew-cab models are larger, and combined with revised seats, create more rear legroom and enable easier entry and exit for back seat passengers.Updates to the body and chassis are designed to improve ride and handling, comfort and capability. Four distinct trims are offered and these include the Base, SLE, the SLT on double or crew cabs and the Denali which are available on crew cabs only. Regular cabs have 8-foot box lengths, while double cabs are available with either 6-foot, 6-inch or 8-foot boxes, and crew cab customers can choose between 6-foot, 5-inch or 8-foot boxes. The standard engine on all Sierra HDs is a 360 horsepower and 380 lb-ft of torque 6.0L Vortec gasoline V8, matched to a six-speed automatic transmission. A bi-fuel version of the 6.0-liter will run on either gasoline or compressed natural gas is available. The optional Duramax 6.6-liter diesel, with 397 horsepower and 765 lb-ft of torque, is mated to the Allison 1000 6-speed automatic transmission. Standard Trailer Sway Control keeps both the truck and trailer heading in the same direction, automatically. The CornerStep bumper, combined with handholds built into the new box rail protectors, makes it easier to access the box. IntelliLink, standard on all models except the base work truck, provides easy-to-use connectivity for the job site or the family vacation, with natural voice recognition and enough ports and power outlets to support multiple devices.For owners whose work or recreation takes them off road, the Z71 Package includes Rancho shocks, a skid plate, Hill Descent Control and an automatic locking rear differential. Available IntelliLink connectivity uses an available high-definition 8-inch color touchscreen. Heated seats are available with cloth seats and standard with leather. Available LED cargo lights integrated beneath the bed rails will illuminate the bed when a tonneau cover is in place. The available EZ Lift and Lower tailgate uses an integrated torsion bar and damper to ease lifting and lowering. Paired with Forward Collision Alert and Lane Departure Warning is Driver Alert Seat, which generates vibrating pulse patterns on the left and/or right side of the lower seat cushion bolster to alert the driver of potential dangers, such as an un-signaled lane change or approaching another vehicle too quickly. Other options include front and rear park assist, a rear camera, an integrated trailer brake controller, a spray-in bed liner and a diesel exhaust brake.

Model Reviews

Impressive hauling and towing capabilities

...offering what could be the best pickup styling in the industry and a high-class, quiet interior in a more capable package

Truck Trend


Redesign brings new looks, more luxury, less noise.


The GMC Sierra HD rolls into the 2015 model year looking like a new truck: The 2015 GMC Sierra HD gets new sheetmetal, a new cab, and interior and infotainment systems that debuted on the light-duty 2014 Sierra 1500.A Sierra Double Cab with four conventional doors replaces last year's extended cab, and all are roomier.What's underneath isn't necessarily new, but evolutionary updating or proven components.

GMC Sierra HD heavy-duty pickups are well suited to real-world use and abuse.
They can haul tons of brick and cement and tow the concrete pump, then turn around to be used for a night on the town or grocery shopping while the fifth-wheel's left in camp or the horses are in the corral.If your hauling is lighter and happens once or twice a year or you tow a bass boat or ski boat, then the 1500-series may be better suited.If your load is heavy, however, or you do a lot of towing, the Sierra HD is the ticket, especially with the diesel engine.We found it towed a 5000-pound trailer load like it wasn't there and a 15,000-pound trailer with ease.

The luxurious Denali model is available in both 2500 and 3500 models.
The 2015 GMC Sierra HD Denali comes standard with heated and cooled front seats, leather-wrapped heated steering wheel and a reconfigurable instrument panel, among other things.Denali is GM's response to Ford's King Ranch or Platinum and Ram's Lariat Longhorn.And Denali gives the GM HD owner a unique choice Chevrolet doesn't offer.

The 2015 GMC Sierra HD is built on the same chassis as the 2015 Chevrolet Silverado HD and shares all sheetmetal with it.
Different hood trim, lights, grille, wheels, ruby red badges and red cabin illumination highlights (rather than aqua) distinguish the GMC from the Chevrolet.

For 2015, Sierra HD adds more standard equipment, like a locking tailgate, cruise control integrated diesel exhaust braking, electronic stability control and trailer sway control across the line.
Updated infotainment systems will be available fall 2014 to turn your truck into a Wi-Fi hotspot.Additionally, Sierra HD carries GMC's Pro Grade Protection that covers scheduled maintenance (including diesel exhaust fluid, oil changes and tire rotations) for 2 years or 24,000 miles.

As with all heavy-duty pickup lines, the 2015 Sierra HD offers plenty of configurations with three cab styles, two bed sizes, single or dual-rear wheels and 2WD or 4WD.
A 6.0-liter gasoline V8 is standard, rated at 360 horsepower for all pickup bodies.Power ratings aren't as high as the competition's gasoline engines.It's also offered to run on CNG, dropping power ratings to 301 hp and 333 lb-ft.

The 6.6-liter turbodiesel with 765 pound-feet of torque (more than twice the gas engine's) is competitive with Ford's Super Duty at 400 hp and 800 lb-ft and Ram's 350-385 hp and 660-850 lb-ft.
GM and Ford use 6-speed automatics in their trucks; Ram offers a choice of 6-speed automatic or 6-speed manual.

For the entry price you get a functional pickup with load-carrying ability, but for big towing expect to pay much more.
Options can add up quickly, with the diesel engine ($7195) and its required transmission upgrade ($1200) among the most expensive, but the tow rating improves in some cases by almost five tons.

The trick in buying the right GMC Sierra HD is to give fair consideration and choose wisely.
Compute the permutations among three cabs, two weight classes, two beds, two engine/transmission combinations, two drive systems and four trim levels, and then sort out options that cover everything from a diesel radiator cover to rear park assist, and you can see why prices can more than double from the baseline.


The 2015 GMC Sierra HD offers three cabs, two beds, five wheelbases, rear or four-wheel drive and four trim levels.The Vortec 6.0-liter V8 and 6-speed automatic comes standard, the Duramax diesel with a stronger Allison 6-speed automatic is optional ($8,395) on almost all of them.Regular Cabs and most 3500 are long bed (8-foot) only, 2500 four-doors are standard (6.5-foot) or long bed; Crew Cab 3500 offers standard bed or long bed.From the least expensive version, each step up in cab size costs $3000-$5000, a long bed about $200 more than a 6-foot, 6-inch version, while four-wheel drive is approximately $3,000.

Sierra HD WT models are work trucks with vinyl upholstery, rubberized floor covering, black door handles and mirrors, steel wheels and floor-shift for 4WD.
They come with air conditioning, AM/FM stereo, 2 USB ports and MP3 jack, EZ lift/lower locking tailgate, cruise control, driver information center, 40/20/40 manual-recline front seats, rear bench seat, tilt wheel, chrome grille and bumpers, tow hooks, intermittent wipers, and dual dash power outlets.The WT Crew Cab has a 60/40-split rear bench seat.Options on WT include cloth upholstery, stereo upgrades (XM, Pandora, SD slot, Bluetooth streaming and voice recognition), OnStar Directions & Connections (six months service trial), 18-inch wheels, camper mirrors, locking differential, trailering equipment, integrated trailer brake controller and deep-tint glass.

Sierra HD SLE versions improve with cloth 40/20/40 split bench seat with storage beneath, carpeting (though the WT floor is available), split-fold rear seat, 8-inch IntelliLink touchscreen with gesture recognition, OnStar with six months' service, cruise control, aluminum wheels, power heated mirrors/windows/door locks, visor vanity mirror/lights and electric-shift for 4WD.
SLE options include heated buckets seats, leather upholstery, dual-zone climate control, navigation and backup camera, power sliding rear window, power heated camper mirrors, 20-inch wheels for single-rear wheel trucks, locking differential and Z71 off-road package.

Sierra HD SLT upgrades with leather, 10-way power heated front seats and two-person driver memory, dual-zone climate control, fog lamps, paint-matched trim, power folding mirrors w/signals, 18-inch polished forged aluminum wheels, locking differential, trailer equipment and integrated trailer brake controller.
SLT-level upgrades include navigation and rearview camera, Bose audio system, rear-seat entertainment, moonroof, power sliding rear window, power heated camper mirrors, and 20-inch wheels.

Sierra HD Denali models get a unique grille, instrument panel, interior and exterior detailing, body-color bumpers, polished forged aluminum wheels, and EZ-Lift locking tailgate.
Inside, Denali adds heated steering wheel, heated and cooled front seats, IntelliLink navigation, 5 USB ports, SD slot, power adjustable pedals, driver memory system, tilt/telescope leather wheel with audio controls, 110-VAC outlet, rear camera, front/rear park assist, fog lamps, locking differential, trailering equipment, trailer brake controller, LED box lighting, chrome side, power defrosted sliding rear window and Bose audio system.Options include the diesel engine, moonroof, driver alert system (forward collision and lane departure warnings), polished aluminum wheels on duallys, and rear-seat entertainment.

Options include spray-on bedliner, bed covers, roof marker lamps, chrome tow hooks, larger or dual alternators, side steps, power heated camper mirrors, LED box lighting, block heater, snow-plow prep for 4WD, high-idle switch, radiator cover and camper/fifth-wheel wiring.

Safety features include frontal airbags, front-side airbags and front side-curtain airbags (on 2500), front seat belt pretensioners, six months OnStar Directions & Connections, electronic stability with trailer sway control and tire-pressure monitors on 2500.
Safety related options include front-side airbags and front side-curtain airbags (3500), forward collision alert, lane departure warning, park sensors, backup camera and integrated trailer brake controller.


GMC Sierra HD shares its mechanical bits with the Chevrolet Silverado HD, but they are not visually identical.Different grilles, lights, trim, wheels and badges distinguish the two.Denali models use unique elements of those distinctive parts to further separate themselves from lesser Sierra HDs.

A giant ruby red GMC logo makes Sierra's origin obvious.
There's a more obvious gap between bumper and grille that on the light-duty Sierras, and the cooling apertures are greater for higher power loads.Even the duallys have airdams for fuel economy, so angle of approach is lower and more likely to scuff on hills and trail obstacles.Although Denali models are so badged on the doors, it's the huge eggcrate grille and double-dipped-in-chrome look that set it apart most.

New mid-size Double cab models have conventional rear doors.
These have myriad advantages over opposite-swinging doors such as those found on extended cabs, including a more rigid cab structure, more roof-crush resistance, quieter, no unlocking belts or doors for those in front.The one disadvantage is that it's not so easy to load awkward items in back.We'll happily take the advantages.

The box sides are deep on the Sierra HD.
The tailgate locks and is assisted to open and close with one hand: GM says it weighs about 45 pounds if you remove it for fifth-wheel or gooseneck use.Cargo management equipment includes spray-in and drop-in bedliners, various covers, under-rail LED box lighting, nine upper tie-down points (rated 250 pounds each).The frame is ready for a fifth-wheel hitch, so you'll have to do the holes in the bed.

Most heavy-duty pickups have external dimensions close to each other and the Sierra is similar; more than six-and-a-half feet wide outside with room for a 4×8-foot sheet of building material to ride flat in the long bed.
4WD Sierra HD models ride slightly lower than do Ram HD and Ford Super Duty pickups, and that inch or two could make the difference in commercial garages or with critical fifth-wheel trailer/bed side clearances.On the other hand, it's easier to climb in and out of the cab or load or unload cargo from the bed.


There are only minimal differences between Silverado HD and Sierra HD (non-Denali) interiors: steering wheel logos, some gauge graphics and GMC's red accent lighting in pace of Chevy's aqua array.There's even less difference between Sierra 1500 and HD: gauge values (diesels get unique tachometer and oil pressure gradations) and some switches under the climate controls.

Regardless of cab style, room is appropriate.
Regular Cabs are clearly full-size, and the center seat position is useful for those with shorter legs to clear the hump and dashboard.Many of the 40/20/40 bench arrangements that are available have a locking storage area underneath.Also, the center backrest folds for another storage bin.

Crew cab rear doors are larger than before and, except for measured hip room, both Double Cab and Crew Cab have more room than before.
The seat cushion, in one section or two, folds up easily for extra interior cargo volume.There's plenty of space in a Crew, competitive with Super Duty and Ram crew cabs, and installing a child seat is hassle-free, but the pint-size rear headrests are a let-down.

The basic dash layout is the same across all 2015 Sierra HD models, though stitched and padded on top for the fancy versions.
All have a dual glovebox.A touchscreen (3.5, 4.2 or 8-inch) in the center groups controls for audio/infotainment, climate and ancillary controls (pedal adjust, exhaust brake, bed lights) along the bottom.

Gauges are complete, responsive and easy to read, with more info available in the center of them as dialed up by steering wheel buttons.
On Denali, everything between tach and speed is a screen, with representations of gauges along the top.You can configure much of it to taste, and while those gauges can't be changed, selecting Tow/Haul mode automatically swaps out voltmeter for transmission fluid temperature.

To the left are light controls, 4WD switching (with neutral), and the integrated trailer brake controller (when equipped).
Since we usually adjust the brake controller while watching the mirrors for trailer tire lockup, this is a handy location.

Materials in the 2015 Sierra HD are a step up from pre-2015 models.
If there were any fit/finish issues we couldn't find them, and we've generated our share of complaints.The woodgrain trim isn't real, but aluminum on Denali is.

The high-line Sierra SLT cabin feels just like the interior of a large luxury car, with a low-profile dash sporting lots of woodgrain trim, a compact instrument cluster with good gauges, three months of XM radio to get you hooked, and a center stack that rolls off the dash and right into a full-length center console.

IntelliLink is GMC's moniker for infotainment, like Ram's Uconnect, Chevy's MyLink and Ford's MyFord/sync systems, and we think it works better than the latter.
Beyond all the apps, 3-D like mapping and things you can do with it, it has gesture-control and voice recognition for easiest operation and 30 tabs you can assign to radio stations, phone numbers or destinations.

There's plenty of connectivity, with multiple power points, five USB ports, SD card lot, Bluetooth and 4G LTE coming to make your pickup a Wi-Fi hotspot.
Models with rear-seat entertainment add another USB and SD port, AC outlet, and video inputs.

All Sierra HD are automatics with a column shift lever.
The Tow/Haul mode switch on the end and a +/- rocker on the handle allows manual gear selection after you've moved the lever from D to M.Ford uses a similar arrangement, Ram just a rocker that doesn't first require a lever movement.

Driving Impression

Since the major mechanical bits are the same, the 2015 Sierra HD drives much like last year's model, the biggest difference is that it's much quieter.It didn't gain any power and only nominal weight, aero is slightly better, so performance remains intact.

At the moment, Sierra HD and Silverado HD lay claim to the highest payload rating for a 3500-series pickup truck at 7374 pounds.
However, Einstein would yawn at this since everything is relative and it's best by less than one percent.Their top tow rating of 19,600 pounds for conventional trailers is about half-a-ton ahead of the competition, while the top fifth-wheel/gooseneck rating is 600-6800 pounds behind the other guys' best numbers.

Key here is that unless your pulling the maximum fifth-wheel, it doesn't really matter.
Getting to the top of a long grade 15 second behind another guy could be made up at a fuel island because your truck is lighter.Only wacky Brits on television race heavily loaded campers, and only television and YouTube videos race identical trucks and trailers up hill.Also remember not everyone's best number applies to the same kind of truck, and no pickup is rated carry its max weight and tow its max trailer simultaneously.Bottom line: Don't choose your brand based on claims.Buy the truck you want.

Where the GMC Sierra feels better than its counterparts is in its relatively quiet, smooth ride and more accurate, direct steering feel.

Note that the Double cab and Crew cab have more advanced body mounts than the regular cab, along with a longer wheelbase, both of which aid ride quality.
Alone in 4WD and in a more-refined approach for 2WD pickups, GM uses independent front suspension for its heavy duty pickups, so the front of their truck handles and feels more like a car than the other guys.On the downside it may require realignment after a snowplow or camper is fitted, might cost more to modify if you lift your truck, and it makes the back end, especially on duallys, feel like a rougher ride.It isn't really, but the front-end absorbs bumps so well you fell it more when the big rear axle hits the same bump a fraction of a second later.

There's heft to the feel of a Sierra HD, from the way it takes big bumps to steering and throttle inputs, but this should not be construed as effort on the driver's part.
Its handling characteristics are benign and amount to basic plowing if you push too hard.All-terrain tires give better grip on dirt roads at the expense of steering precision and noise on paved roads.Optional 20-inch wheels look good, but we prefer 17- and 18-inch wheels for numerous reasons, including ride quality and replacement cost.

Big parts underneath haven't changed since the 2011 redesign, but suspensions have been recalibrated for the new cabs, and weight ratings and electronics are updated, and electronic stability control and trailer sway control come standard, even on duallys.
We can't find fault with how any of it works on the road and it acquits itself admirably even if peak torque for the diesel is rated 5-percent less than that of the competitors.Indeed, the Sierra HD often weighs that much less than a comparable competitor.

We got short drive opportunities with various trailer sizes behind 4WD 2500 and 3500 dually diesels.
Our experience showed about 14.5 mpg in an empty dually over mountain two-lanes and interstate travel at better than 90 mph, and exactly the same mileage for a single-rear Crew diesel pulling a 5500-pound racecar trailer at more moderate speeds.We also dragged a travel trailer around behind a single-rear Crew gas engine, at 5000 feet elevation, and while it clearly didn't go like the diesel (and got 8 mpg) we never felt uncomfortable.If in your job or recreation you only infrequently tow a trailer of less than 8000 pounds, and run only 10,000 to 15,000 miles per year total, the gas engine may make more sense.

Buyers who tow many miles should strongly consider the diesel, which delivers twice the torque output and notably better fuel mileage and work ratings.
The Duramax diesel is relatively quiet.As with all heavy-duty trucks, the Duramax uses DEF for the emissions system.This is filled underhood and may need to be done only at service intervals but is available at fuel depots and parts stores if you drive hard, drive through hot weather or idle excessively.Running out will not stop the truck, but if you ignore warning messages it eventually be limited to very low speeds.

Both 6-speed automatics offer a Tow/Haul mode that will execute downshifts with throttle blipping to maximize engine braking.
In most cases Tow/Haul is designed for optimum use with loads of 70 percent or more of maximum GCWR, though you won't hurt anything by using it with lighter trailers or not using it with heavier trailers.The diesel exhaust brake works with the cruise control so you may, in theory, never need to use your feet to cross the Rockies.

New lane departure and forward collision alert systems work as elsewhere.
In multiple trucks we got one false alarm, forward collision warning of an oncoming truck in the opposing lane on a gentle bend.Note that many of these and other assist systems on any vehicle are dependent on weather, dirt or snow buildup.

A rearview camera is included on some models, a boon for near-in vision and hitching trailers solo.
Necessarily a wide-angle device it doesn't help backing low trailers you can't see in the mirrors, but we'd still get one.We'd also get the integrated trailer brake controller if for no more than it is warranteed with the truck and enhances resale value.It works better than most you can buy and install yourself.


Any GMC Sierra HD will get the work done, and the plainer the truck the more it will carry or tow.At the other extreme, the Denali brings Cadillac luxury and current electronics to upgrade working-class trucks to business-class comfort, still able to haul around at least 2900 pounds and tow 13,000 pounds.

Whale filed this report to from Carerfree, Arizona.

Model Lineup

GMC Sierra HD Regular Cab 2500 2WD WT ($31,310); Double Cab 2500 4WD SLT long bed ($46,805); Crew Cab 2500 4WD SLT ($48,925); Denali Crew Cab 2500 4WD ($53,740); Regular cab 3500 WT ($33,060); Crew Cab 3500 4WD SLT dually ($50,785); 3500 Denali 4WD dually ($53,985).

Assembled In

Fort Wayne, Indiana; Flint, Michigan.

Options As Tested

diesel engine/Allison transmission ($8,395); rear-seat entertainment ($1,495); moonroof ($995); power slide rear window delete (-$250); 17-inch forged polished aluminum wheels ($575); spray-on bedliner ($475); driver alert package ($450); all-terrain tires ($200); radiator cover ($55); camper/fifth-wheel wiring ($35).

Model Tested

GMC Sierra Denali 3500 HD Crew Cab 4WD DRW ($53,985).

New Car Test Drive


Standard Equipment

Wheel Covers, HubStandard
Diameter, 17Standard
Width, 6.5Standard
Rim Type, Painted steelStandard
Spare Wheel
Rim type, SteelStandard
Spare Tire
Mount Location, Underbody w/crankdownStandard
Size, Full-sizeStandard
Rear Suspension Type, LeafStandard
Front Suspension Classification, IndependentStandard
Front Spring Type, CoilStandard
Front Stabilizer Bar, RegularStandard
Independent, FrontStandard
stabilizer bar, FrontStandard
Front suspension type, TorsionStandard
Rear Suspension Classification, Rigid axleStandard
Headlights auto delayStandard
Headlights dusk sensorStandard
Daytime running lightsStandard
Dual rear wheelsStandard
Driven WheelsStandard
Axle ratioStandard
Front seat type, Split-benchStandard
Power door locks, Power door locksStandard
Front wipers - intermittentStandard
Privacy glassStandard
Vanity mirrors, Passenger vanity mirrorsStandard
Exterior Extending Mirrors, Manual extendable trailerStandard
Convenience Features
Cruise control, Cruise controlStandard
Power steering, Power steeringStandard
Steering wheel, Tilt-adjustableStandard
Cruise controls on steering wheel, Cruise controlsStandard
Cupholders, FrontStandard
Door pockets, Driver and passengerStandard
Retained accessory power, Retained accessory powerStandard
Overhead console, MiniStandard
Comfort Features
Reading lights, FrontStandard
Steering wheel trim, UrethaneStandard
Trip computerStandard
Low fuel levelStandard
Transmission Temperature GuageStandard
Audio System
Antenna Type, FixedStandard
Total Number of Speakers, 4Standard
Radio, AM/FM stereoStandard
Rear door type, TailgateStandard
Truck Features
Door reinforcementStandard
Vinyl floor coveringStandard
Engine hour meterStandard
Auxilliary transmission coolerStandard
Towing and Hauling
Trailer hitchStandard
Passenger airbag deactivation, Deactivation switchStandard
Passenger Airbag, CancellableStandard
Driver Airbag, YesStandard
Stability and Traction
Traction controlStandard
Stability controlStandard
Seatbelt pretensioners, FrontStandard
Manual / automatic, AutomaticStandard
Automatic type, AutomaticStandard
Transmission Hill Holder, Transmission hill holderStandard
Max RPM, 5,400 RPMStandard
Valve Gear, OHVStandard
Total Valves, 16Standard
Engine Configuration, VStandard
Displacement, 364
Vehicle Emissions, LEV IIStandard
Size, 6.0 LStandard
Cylinders, 8Standard
Horse Power, 360 hpStandard
Variable Valve Timing, Variable valve timingStandard
Compression Ratio, 9.40 : 1Standard
Air Conditioning
Front air conditioning, ManualStandard
engine immobilizer, Engine immobilizerStandard
Adjustable Front Headrests, Manual adjustableStandard
Braking assist, Braking assist inchesStandard
Front brakes, Ventilated disc inchesStandard
ABS Brakes
ABS, 4-wheelStandard

Available Optional Equipment

The list of optional equipment below represents a mix of optional dealer or factory installed features. Some must be added by the manufacturer during the production process whilst others can be installed here at the point of purchase. Please note that this list is intended for informational purposes only. If you have any questions please contact us for clarification.

Federal Emissions Requirements   * 
CT/DE/ME/MD/MA/NJ/NY/OR/PA/RI/VT/WA Emissions Req   * 
Federal Emissions Override:
For vehicles ordered by dealers in Federal emission states with (YF5) or (NE1) emissions -- Not required for vehicles being shipped to California, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont or Washington.
State-Specific Emissions Override:
For dealers ordering vehicles in (YF5) or (NE1) emission states -- California, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington. Allows a California dealer (YF5 emissions) to order (NE1) emissions with (NB9) emiss
California Emissions Override:
Allows a dealer in states that require California emissions -- California, Connecticut, Delaware, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island or Washington -- to order Federal emissions for a vehicle that will be registered in a state that has Federal emission r
California State Emissions Requirements   * 
Fleet Options
Single-Slot CD/MP3 Player   * 
110-Volt AC Power Outlet   * 
Deep-Tinted Glass   * 
LED Cargo Box Lighting:
Includes switch on center switch bank.
Internal Options
Power Windows:
Includes driver express up and down and express down on all other windows.
Remote Keyless Entry   * 
17 x 6.5 Full-Size Steel Spare Wheel:
(43.2 cm x 16.5 cm).
Frontal Passenger-Side Air Bag Deactivation Switch   * 
Auto-Dimming Inside Rearview Mirror   * 
Black High-Visibility Outside Mirrors:
Vertical camper-style with manual folding and extension and lower convex spotter glass.
Vertical Camper Upper Glass Heated Outside Mirrors:
Includes power-adjustable, manual-folding and extending, Black, integrated turn signal indicators consisting of 51 square inch flat mirror surface positioned over a 24.5 square inch convex mirror surface with a common head and lower convex spotter glass (convex glass is not heated and not power adju
Exhaust Brake   * 
150 Amps Alternator   * 
Steering Wheel   * 
3.5 Diagonal Monochromatic Display D.I.C.:
Provides warning messages and basic vehicle information.
4-Speaker Audio System Feature   * 
Trailering Equipment:
Includes trailering hitch platform 2.5" with a 2.0" insert for HD, 7-wire harness with independent fused trailering circuits mated to a 7-way sealed connector to hook up parking lamps, backup lamps, right and left turn signals, an electric brake lead, battery and a ground. The trailer connector als
No Options
Base Vehicle Price (TC35903)   $35,425 
Other Options
Single-Stage Driver & Front Passenger Air Bags:
Includes frontal and thorax side-impact, head curtain side-impact and front and rear outboard seating positions. Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.
Radio: AM/FM Stereo w/4.2 Diagonal Color Display:
Includes USB ports, auxiliary jack and SD card slot.
Electric Rear-Window Defogger   $175 
Color-Keyed Carpeting Floor Covering:
Includes front rubberized vinyl floor mats.
OnStar 6 Months Directions/Connections:
Includes automatic crash response, stolen vehicle assistance, roadside assistance and turn-by-turn navigation. Visit for coverage map, details and system limitations. Services vary by model and conditions.
4 Upfitter Switches   $125 
Front All-Weather Floor Mats (LPO):
Front Carpeted Floor Mats (LPO):
Dealer installed.
GMC Interior Protection Package (LPO):
Dealer installed.
Spray-On Pickup Box Bed Liner w/GMC Logo:
Includes high pressure, chemically bonded, sprayed-on polyurea and polyurethane liner formulation. Liner is permanently bonded to the truck bed providing a water tight seal. The textured, non-skid surface is black in color and robotically applied to yield consistent 90 mil floor and tailgate thick
Front License Plate Kit:
Deletes center lower bumper filler panel. Will be forced on orders with ship-to states that require front license plate.
Provision for Cab Roof-Mounted Lamp/Beacon:
Provides an instrument panel-mounted switch and electrical wiring tucked beneath the headliner for a body upfitter to connect a body-mounted warning or emergency lamp.
6 Rectangular Chromed Tubular Assist Steps (LPO):
Dealer installed.
Chrome Appearance Package (LPO):
Dealer installed.
4 Round Chromed Tubular Assist Steps (LPO):
Dealer installed.
6 Rectangular Black Tubular Assist Steps (LPO):
Dealer installed.
4 Round Black Tubular Assist Steps (LPO):
Dealer installed.
Chrome Fuel Door (LPO):
Dealer installed.
Chrome Recovery Hooks (LPO):
Dealer installed.
Polished Exhaust Tip (LPO):
Dealer installed.
Black Front & Rear Molded Splash Guards (LPO):
Dealer installed.
Black Flat Splash Guards (LPO) (DISC):
Dealer installed.
Bed Liner (LPO):
Dealer installed.
Bed Rug (LPO):
Rubber Bed Mat (LPO):
Dealer installed.
Tailgate Liner (LPO):
Dealer installed.
Metal Bed Storage Box (LPO):
Dealer installed.
Bed Net (LPO):
Dealer installed.
220 Amp Alternator   $150 
Dual 150 Amps Each Alternators (DISC)   $295 
730 Cold-Cranking Amps Auxiliary Battery   $135 
Radiator Grille & Front Bumper Opening Cover:
1-piece for diesel engines in winter weather.
Engine Block Heater   $90 
Standard Suspension Package:
Includes 51mm twin tube shock absorbers and 33mm front stabilizer bar.
High Idle Switch   $200 
Integrated Trailer Brake Controller   $230 
Trailering Wiring Provisions:
For camper, 5th wheel and gooseneck trailer. Includes additional 7-way wiring harness located at the rear of the pickup box attached to the rear frame cross member.
Underbody Shield:
Includes frame-mounted shields, front underbody shield starting behind front bumper and running to first cross-member, protecting front underbody, oil pan, differential case and transfer case.
Cargo Box Retractable Side Assist Step (LPO):
Dealer installed.
Chrome Bodyside Moldings (LPO):
Premium Sill Plates (LPO):
SiriusXM Satellite Radio:
Is standard on nearly all 2015 GM models. Enjoy a 3 month all access trial subscription with over 150 channels including commercial-free music, plus sports, news and entertainment. Plus you can listen to SiriusXM internet radio everywhere on your computer, smartphone or tablet. Welcome to the world
OnStar w/4G LTE:
Provides a built-in Wi-Fi hotspot to connect to the internet at 4G LTE speeds. Visit for vehicle availability, details and system limitations. Services and connectivity may vary by model and conditions. 4G LTE service available in select markets. 4G LTE performance based on industry a
Dual 150 Amps & 220 Amps Each Alternator   $380 
Sierra Body-Color Accented Grille (LPO):
Body-Colored Bodyside Moldings (LPO):
Dealer installed.
Chrome Surround Grille w/Body-Color Inserts (LPO):
Dealer installed.
Preferred Equipment Group 1SA   * 
4.10 Rear Axle Ratio   * 
3.73 Rear Axle Ratio   $100 
GVWR: 13,500 lbs (6,123 kgs)   * 
GVWR: 13,025 lbs (5,908 kgs)   * 
Seats & Seat Trim
Front 40/20/40 Reclining Split-Bench Seat:
3-passenger. Includes outboard head restraints and center fold-down armrest with storage.
SEO Options
Back-Up Alarm Calibration:
This calibration will allow installation of an aftermarket back up alarm.
Wheels & Tires
Tires: LT235/80R17E AS Highway   * 
Tires: LT235/80R17E AT   * 
Wheels: 17 Painted Steel:
(43.2 cm).
Spare LT235/80R17E Highway Tire   $380 
Spare LT235/80R17E AT Tire   $380 
*See dealer for details

2015 GMC Sierra 3500HD Crew Cab

2015 GMC Sierra 3500HD Crew Cab


2015 GMC Sierra 3500HD 4x2 Double Cab 158.1" WB SRW Base


2015 GMC Sierra 3500HD 4x2 Double Cab 158.1" WB DRW Base


2015 GMC Sierra 3500HD 4x2 Crew Cab 153.7" WB SRW Base


2015 GMC Sierra 3500HD 4x2 Crew Cab 167.7" WB SRW Base


2015 GMC Sierra 3500HD 4x2 Crew Cab 167.7" WB DRW Base


2015 GMC Sierra 3500HD 4x2 Double Cab 158.1" WB SRW SLE


2015 GMC Sierra 3500HD 4x2 Double Cab 158.1" WB DRW SLE


2015 GMC Sierra 3500HD 4x2 Crew Cab 153.7" WB SRW SLE


2015 GMC Sierra 3500HD 4x2 Crew Cab 167.7" WB SRW SLE


2015 GMC Sierra 3500HD 4x2 Crew Cab 167.7" WB DRW SLE


2015 GMC Sierra 3500HD 4x2 Double Cab 158.1" WB SRW SLT


2015 GMC Sierra 3500HD 4x2 Double Cab 158.1" WB DRW SLT


2015 GMC Sierra 3500HD 4x2 Crew Cab 153.7" WB SRW SLT


2015 GMC Sierra 3500HD 4x2 Crew Cab 167.7" WB SRW SLT


2015 GMC Sierra 3500HD 4x2 Crew Cab 167.7" WB DRW SLT


2015 GMC Sierra 3500HD 4x2 Crew Cab 153.7" WB SRW Denali


2015 GMC Sierra 3500HD 4x2 Crew Cab 167.7" WB DRW Denali


2015 GMC Sierra 3500HD 4x2 Crew Cab 167.7" WB SRW Denali


2015 GMC Sierra 3500HD 4x4 Double Cab 158.1" WB SRW Base


2015 GMC Sierra 3500HD 4x4 Double Cab 158.1" WB DRW Base


2015 GMC Sierra 3500HD 4x4 Crew Cab 153.7" WB SRW Base


2015 GMC Sierra 3500HD 4x4 Crew Cab 167.7" WB SRW Base


2015 GMC Sierra 3500HD 4x4 Crew Cab 167.7" WB DRW Base


2015 GMC Sierra 3500HD 4x4 Double Cab 158.1" WB SRW SLE


2015 GMC Sierra 3500HD 4x4 Double Cab 158.1" WB DRW SLE


2015 GMC Sierra 3500HD 4x4 Crew Cab 153.7" WB SRW SLE


2015 GMC Sierra 3500HD 4x4 Crew Cab 167.7" WB SRW SLE


2015 GMC Sierra 3500HD 4x4 Crew Cab 167.7" WB DRW SLE


2015 GMC Sierra 3500HD 4x4 Double Cab 158.1" WB SRW SLT


2015 GMC Sierra 3500HD 4x4 Double Cab 158.1" WB DRW SLT


2015 GMC Sierra 3500HD 4x4 Crew Cab 153.7" WB SRW SLT


2015 GMC Sierra 3500HD 4x4 Crew Cab 167.7" WB SRW SLT


2015 GMC Sierra 3500HD 4x4 Crew Cab 167.7" WB DRW SLT


2015 GMC Sierra 3500HD 4x4 Crew Cab 167.7" WB DRW Denali


2015 GMC Sierra 3500HD 4x4 Crew Cab 153.7" WB SRW Denali


2015 GMC Sierra 3500HD 4x4 Crew Cab 167.7" WB SRW Denali
2015 GMC Sierra 3500HD 4x2 Double Cab 158.1 in. WB SRW Base 1308-OEM Exterior 3/4 Front Right-Facing Shown.