2015 GMC Sierra 3500HD Denali 4WD Crew Cab Long Box Denali

12308 100 Street, Grande Prairie, AB, T8V 4H7 · Posted 12 Oct, 2026

Description

Command the roads of Grande Prairie, Alberta, with the powerful 2015 GMC Sierra 3500HD Denali 4WD Crew Cab Long Box, in stunning black matched by a black interior. This rugged truck comes equipped with four-wheel drive, providing excellent handling across diverse terrains.
6.6L Duramax Turbo Diesel V8 engine with 397 horsepower
Heated and cooled leather seats
Advanced navigation and connectivity features
Remote start and keyless entry
Backup camera and heated steering wheel
The 2015 GMC Sierra 3500HD Denali is the perfect choice for those who demand both power and luxury. With its capable 4x4 drivetrain, this truck is prepared to tackle any job or adventure with ease. Its comfortable, leather-clad interior makes even the longest journeys a pleasure, while the advanced technology features ensure connectivity and safety on the move. Whether youre a contractor needing a reliable workhorse, an adventurer seeking new trails, or a family wanting a large, dependable vehicle, this Sierra has you covered.
Experience the perfect blend of versatility, capability, and comfort with the 2015 GMC Sierra 3500HD Denali. This truck offers excellent value for anyone in need of a robust yet refined ride.
Visit us today at 12308, 100 St, Grande Prairie, AB, T8V 4H7
Contact us today 780-532-8865
Shop online www.sargentgmc.com
We are an AMVIC Licensed Dealership

AMVIC licensed business

Engine: 8 Cylinder Engine 6.6L/403CI
Safety Equipment
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Air bags, single-stage frontal and thorax side-impact, driver and front passenger, and head curtain side-impact, front and rear outboard seating positions
Front and Rear Park Assist, Ultrasonic
Rear Vision Camera with dynamic guide lines
Air bags, frontal, driver and right front passenger, single stage
OnStar, In-Vehicle Communications System and Assistance Service OnStar, 6 months of Directions and Connections plan 6 months of Directions and Connections plan with Turn-By-Turn Navigation and OnStar RemoteLink (Turn-By-Turn availability impacted by some geographic/cellular limitations; Advisor-assisted routing available) (Visit onstar.ca for coverage map, details and system limitations. Services vary by model and conditions.)
OnStar Directions and Connections plan for 6 months including Automatic Crash Response, Stolen Vehicle Assistance, Roadside Assistance and Turn-by-Turn Navigation (Visit onstar.ca for coverage map, details and system limitations. Services vary by model and conditions.)
Interior Equipment
Floor covering, colour-keyed carpeting
Steering wheel audio controls
Door locks, power
Remote vehicle starter system
Theft-deterrent system, unauthorized entry
Defogger, rear-window electric
Mirror, inside rearview auto-dimming
Air conditioning, dual-zone automatic climate control
Instrumentation, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
Windows, power with driver express up and down and express down on all other windows
Cruise control, steering wheel-mounted
Assist handle, front passenger and driver on A-pillars
Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor)
Remote Keyless Entry
Power outlet, 110-volt AC
Visors, driver and front passenger illuminated vanity mirrors
Steering column, manual Tilt-Wheel and telescoping
Floor mats, colour-keyed carpeted first and second row
Pedals, power-adjustable
Steering wheel, heated, leather wrapped with audio and cruise controls
Display, customizable driver display, 8" multi-colour configurable
Seats, front full-feature leather-appointed bucket with (KA1) heated seat cushions and seat backs. Includes 12-way power driver and front passenger seat adjusters, including 2-way power lumbar control, 2-position driver memory, adjustable head restraints, (D07) floor console and storage pockets.
Seating, heated and cooled perforated leather-appointed front bucket
Console, floor mounted, reconfigurable with moveable cup holders, cell phone storage, power cord management and hanging file holder capability
Floor covering, colour-keyed carpeting mats with rubberized vinyl floor mats (include second row floor mats)
Display, enhanced driver instrument information , 8" multi-colour configurable
Steering wheel, heated, leather-wrapped with audio and cruise controls
Universal Home Remote (Not included when VYU) Snow Plow Prep Package is ordered.)
Exterior Equipment
CornerStep, rear bumper
Wheelhouse liners, rear (Not available with dual rear wheels.)
Glass, deep-tinted
Door handles, chrome
Lamps, cargo area, cab mounted with switch on centre switch bank
Tailgate and bed rail protection caps, top
Mouldings, bodyside, chrome
Fog lamps, front, halogen
Tire carrier lock, keyed cylinder lock that utilizes same key as ignition and door
Tailgate, EZ-Lift and Lower
Bumper, rear body-colour with bumper CornerSteps
Cargo tie downs (4), movable upper
LED Lighting, cargo box with switch on centre switch bank
Bumper, front, body-colour
Lamps, Smoked Amber roof marker
Tires, LT265/70R18E all-season, blackwall (Requires single rear wheels.)
Mirrors, outside heated power-adjustable vertical camper, manual-folding and extending, black. Includes integrated turn signal indicators consisting of 50 square inch flat mirror surface positioned over a 20 square inch convex mirror surface with a common head and lower convex spotter glass (convex glass is not heated and not power adjustable)
Headlamps, halogen projector with LED signature
Tailgate, locking, utilizes same key as ignition and door
LPO, Assist steps, chromed tubular, 6" rectangular (dealer-installed) (May be substituted with (VXJ) assist steps, LPO. (VXH) is deleted when (VXJ) assist steps, LPO is specified.)
Tire, spare LT265/70R18E all-season, blackwall (Requires single rear wheels.)
Wheels, 18" (45.7 cm) forged polished aluminum includes 18" x 8" (45.7 cm x 20.3 cm) steel spare wheel. (Requires single rear wheels.)
Wheels, 18" (45.7 cm) forged polished aluminum includes 18" x 8" (45.7 cm x 20.3 cm) steel spare wheel.
Wheels, 18" (45.7 cm) chromed aluminum includes 18" x 8" (45.7 cm x 20.3 cm) steel spare wheel
Window, power, rear sliding with rear defogger (Not included when VYU) Snow Plow Prep Package is ordered.)
Mirrors, outside memory equipped heated power-adjustable vertical camper upper glass, power-folding and manual extending, chrome. Includes 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-adjustable) and addition of Auxiliary cargo lamp for backing up (helps to see trailer when backing up with a trailer) and amber auxiliary clearance lamp
Bed Liner, Spray-on Pickup box bed liner consisting of embossed Denali logo on front bed wall, high pressure, chemically bonded, sprayed-on polyurea & polyurethane liner formulation. Liner is permanently bonded to the truck bed providing a water tight seal. The textured, non-skid surface is black in colour and robotically applied to yield consistent 90 mil floor and tailgate thickness along with 50 mil box sidewall thickness. Spray-on liner covers entire bed interior surface below side rails, including tailgate, front box top rail, gauge hole plugs and lower tie down loops. (Not available with (VBN) bed rug, LPO. Not available with any ship thru code.)
Entertainment Equipment
Single-slot CD/MP3 player (Replaced by (U42) rear seat DVD/Blu-Ray Entertainment Package when (U42) is ordered.)
Bluetooth for phone, personal cell phone connectivity to vehicle audio system
Audio system, 8" Diagonal Colour Touch Screen Navigation with IntelliLink, AM/FM/SiriusXM with USB ports, auxiliary jack, SD card slot, Bluetooth streaming audio for music and most phones, hands-free smartphone integration, Pandora Internet radio and voice-activated technology for radio and phone
Audio system, 8" Diagonal Colour Touch Screen Navigation with IntelliLink, AM/FM/SiriusXM with USB ports, auxiliary jack, SD card slot, Bluetooth streaming audio for music and most phones, hands-free smartphone integration and voice-activated technology for radio and phone
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 of SiriusXM. (IMPORTANT: If you decide to continue your service at the end of your trial subscription, the plan you choose will automatically renew and bill at then-current rates until you call 1-877-209-0079 to cancel. See SiriusXM "Terms & Conditions" for complete terms at siriusxm.ca. Other fees and taxes will apply. All fees and programming subject to change.)
Bose Sound with 6 speaker system (7 speaker system including subwoofer when ordered with bucket seats).
OnStar with 4G LTE provides a built-in Wi-Fi hotspot to connect to the internet (Visit www.onstar.ca 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 averages and vehicle systems design. Some services require data plan.)
SiriusXM Satellite Radio XM Select features 120 channels, including commercial-free music as well as the best in news, sports, talk, comedy and more; digital quality sound; includes 3 trial months, beyond which service fees apply (IMPORTANT - If you decide to continue your service at the end of your trial subscription, the plan you choose will automatically renew and bill at then-current rates until you call 1-877-209-0079 to cancel. See SiriusXm Terms & Conditions for complete terms at siriusxm.ca. Other fees and taxes will apply. All fees and programming subject to change.)
Mechanical Equipment
Differential, heavy-duty locking rear
Four wheel drive
Cooling, external engine oil cooler
Cooling, auxiliary external transmission oil cooler
Trailer brake controller, integrated
Pickup box
Air cleaner, high-capacity
Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power
Alternator, 150 amps
Frame, fully-boxed, hydroformed front section
Recovery hooks, front, frame-mounted, black
Exhaust, aluminized stainless-steel muffler and tailpipe
Suspension Package, Standard includes 51mm twin tube shock absorbers and 33mm front stabilizer bar
Pickup box, Wideside
Steering, Recirculating Ball
Chassis, single rear wheel
Brakes, 4-wheel antilock, 4-wheel disc with DuraLife brake rotors (Requires single rear wheels.)
Rear axle, 4.10 ratio (Requires (L96) Vortec 6.0L V8 SFI engine.)
Brakes, 4-wheel antilock, 4-wheel disc (Requires single rear wheels.)
Engine, Vortec 6.0L Variable Valve Timing V8 SFI, E85-compatible, FlexFuel capable of running on unleaded or up to 85% ethanol (360 hp [268.4 kW] @ 5400 rpm, 380 lb-ft of torque [515.0 N-m] @ 4200 rpm)
Transmission, 6-speed automatic, heavy-duty electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Requires (L96) Vortec 6.0L V8 SFI engine.)
Trailering equipment 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 also includes the 4-way for use on trailers without brakes - park, brake/turn lamps
Underbody Shield, frame-mounted shields includes front underbody shield starting behind front bumper and running to first cross-member, protecting front underbody, oil pan, differential case and transfer case
GVWR, 10,800 lbs. (4899 kg) with single rear wheels (Requires (L96) 6.0L V8 engine and model TK35743.)
Transfer case, electronic shift with rotary dial controls (Requires 4WD models)
Engine, Vortec 6.0L Variable Valve Timing V8 SFI, E85-compatible, FlexFuel capable of running on unleaded or up to 85% ethanol (360 hp [268.4 kW] @ 5400 rpm, 380 lb-ft of torque [515.0 N-m] @ 4200 rpm) with (E63) fleetside pickup box; (322 hp [240.1 kW] @ 4400 rpm, 380 lb-ft of torque [515.0 N-m] @ 4200 rpm) with (ZW9) pickup box delete
GVWR, 11,000 lbs. (4990 kg) with single rear wheels
GVWR, 11,000 lbs. (4990 kg) with single rear wheels (Requires K35943 and (L96) Vortec 6.0L V8 SFI engine.)
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