2015 GMC Sierra 2500HD All-Terrain 4x4 | 6.6L DURAMAX | LEATHER

139A 105th Street East, Saskatoon, SK, S7N 1Z2 · Posted 10 Oct, 2026

Description

6.6L Duramax Diesel, 4x4 and All-Terrain Package make this 2015 Sierra 2500HD SLT a serious tow-ready truck with up to 13,000 lbs. capacity. Built for buyers who need genuine heavy-duty capability without giving up comfort, this 2015 GMC Sierra 2500HD SLT pairs the proven 6.6L Duramax Diesel engine with a 6-speed Allison automatic transmission and 4x4 capability. The All-Terrain Package adds rugged appeal and capability, while features like skid plates, LED fog lamps, LED box lighting and the EZ Lift tailgate make this truck well suited for demanding work, towing and weekend adventures. Inside, the SLT delivers premium comfort with heated leather seats, a 10-way power driver's seat, power passenger seat, leather-wrapped steering wheel, moonroof and dual-zone automatic climate control . The 8-inch touchscreen, SiriusXM and rear vision camera add convenience to every drive. For serious towing, this Sierra features a 13,000-lb towing capacity, 3.73 rear axle ratio, integrated trailer brake controller, heated power-adjustable trailering mirrors, Trailer Guidance and a factory hitch . If you're shopping for a Duramax diesel 2500HD , this Sierra stands out with the combination of heavy-duty towing capability, 4x4 traction, All-Terrain styling and SLT-level comfort . Your purchase also includes a full year of FREE VIP benefits , including 20% off labour, 25% off tires and free windshield stone chip repairs. Our Honesty Pricing provides our lowest possible selling price up front, backed by a comprehensive market report showing what competitors are asking for similar vehicles. This Sierra 3500HD also meets our Diamond Certification standard, which begins with selecting quality pre-owned vehicles and putting them through a comprehensive inspection process. Since 2008, Saskatoon Auto Connection has focused on providing Saskatchewan customers with a straightforward and transparent way to purchase a pre-owned vehicle.

Engine: 6.6L V8 OHV 16V DIESEL
Safety Equipment
Tire Pressure Monitoring System (does not apply to spare tire)
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
OnStar Directions and Connections plan for 6 months including Automatic Crash Response, Stolen Vehicle Assistance, Roadside Assistance and Turn-by-Turn Navigation (Services may vary by model and conditions. Term begins upon vehicle delivery. Terms and conditions apply. Visit www.onstar.ca for vehicle availability, system limitations and further details.)
Rear Vision Camera with dynamic guide lines (Not included when (ZW9) pickup box delete is ordered.)
Rear Vision Camera with dynamic guide lines
Rear child locks
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.)
Rear Vision Camera with dynamic guide lines (Not included when (ZW9) pickup box delete or (9J4) rear bumper delete is ordered.)
Interior Equipment
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
Steering column, manual Tilt-Wheel
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
Seating, heated driver and front passenger
Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor)
Floor covering, colour-keyed carpeting with rubberized vinyl floor mats (Double Cab and Crew Cabs include second row floor mats)
Steering wheel, leather-wrapped with audio and cruise controls
Driver Information Centre, 4.2-inch diagonal colour display includes driver personalization, warning messages and vehicle information
Remote Keyless Entry
Power outlet, 110-volt AC
Visors, driver and front passenger illuminated vanity mirrors
Universal Home Remote (Not included when (TRW) provision for cab roof-mounted lamp or (VYU) Snow Plow Prep Package are ordered.)
Pedals, power-adjustable
Seats, front 40/20/40 leather-appointed split-bench, 3-passenger with (KA1) heated seat cushions and seat backs. Includes 10-way power driver and front passenger seat adjusters, including driver/front passenger power recline, driver/front passenger power lumbar, 2-position driver memory and adjustable outboard head restraints. (Upgradeable to (AN3) front full-feature leather-appointed bucket seats.)
Leather seat inserts
Leather-appointed front seats
Steering column, manual Tilt-Wheel and telescoping (Required with (Y65) Driver Alert Package.)
Exterior Equipment
Mirror caps, chrome
Glass, deep-tinted
Door handles, chrome
Bumper, front chrome
CornerStep, rear bumper (Requires (E63) pickup box.)
Bumper, rear chrome with bumper CornerSteps (Requires (E63) pickup box.)
Grille surround, chrome
Lamps, cargo area, cab mounted with switch on centre switch bank
Tailgate and bed rail protection caps, top
Tires, LT265/70R18E all-season, blackwall
Mouldings, bodyside, chrome
Fog lamps, front, halogen
Mirrors, outside chrome cap, heated power-adjustable, power-folding and driver-side auto-dimming with integrated turn signal indicators and puddle lamps (includes driver's side spotter mirror)
Tailgate, locking, utilizes same key as ignition and door (Deleted with (ZW9) pickup box delete.)
Tailgate, EZ-Lift and Lower (Deleted with (ZW9) pickup box delete.)
Tailgate, EZ-Lift and Lower
Tire carrier lock, keyed cylinder lock that utilizes same key as ignition and door (Not included when (ZW9) pickup box delete or (9J4) rear bumper delete is ordered.)
Cargo tie downs (4), movable upper (Requires (E63) pickup box.) (Not available with (ZW9) pickup box delete.)
Headlamps, halogen projector with LED signature
Wheelhouse liners, rear (single rear wheel only)
LED Lighting, cargo box with switch on centre switch bank (Deleted with (ZW9) pickup box delete.) (Deleted when (ZW9) pickup box delete is ordered. )
Tires, LT265/70R18E all-season, blackwall (Upgradeable to (QGM) LT265/70R18E all-terrain, blackwall tires or (QFC) LT265/60R20E all-terrain, blackwall tires.)
Wheels, 18" (45.7 cm) chromed aluminum includes 18" x 8" (45.7 cm x 20.3 cm) steel spare wheel. Spare not included with (ZW9) pickup box delete unless a spare tire is ordered (Upgradeable to (PYS) 20" (50.8 cm) forged polished aluminum wheels or (S9O) 20" (50.8 cm) polished aluminum wheels.)
Wheels, 18" (45.7 cm) forged polished aluminum includes 18" x 8" (45.7 cm x 20.3 cm) steel spare wheel. Spare not included with (ZW9) pickup box delete unless a spare tire is ordered. (Upgradeable to (PYS) 20" (50.8 cm) forged polished aluminum wheels.)
Wheel, 18" x 8" (45.7 cm x 20.3 cm) full-size, steel spare. Spare not included with (ZW9) pickup box delete unless a spare tire is ordered. (Requires 18" or 20" wheels and tires)
Wheelhouse liners, rear (single rear wheel only) (Deleted with (ZW9) pickup box delete.)
Entertainment Equipment
Single-slot CD/MP3 player (Replaced by (U42) rear seat DVD/Blu-Ray Entertainment Package when (U42) is ordered.)
6-speaker audio system
Bluetooth for phone, personal cell phone connectivity to vehicle audio system
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.)
OnStar with 4G LTE provides a built-in Wi-Fi hotspot to connect to the internet (Services and connectivity may vary by model and conditions. 4G LTE service is available in select markets. Terms and conditions apply. 4G LTE performance is based on industry averages and vehicle systems design. Some services require a data plan. Visit www.onstar.ca for vehicle availability, 4G LTE coverage, system limitations and further details.)
Audio system, 8" Diagonal Colour Touch Screen 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 (Upgradeable to (IO6) 8" Diagonal Colour Touch Screen Navigation with IntelliLink.)
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 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.)
Mechanical Equipment
Differential, heavy-duty locking rear
Four wheel drive
Cooling, external engine oil cooler
Cooling, auxiliary external transmission oil cooler
Brakes, 4-wheel antilock, 4-wheel disc
Rear axle, 4.10 ratio (Requires (L96) Vortec 6.0L V8 SFI engine or (LC8) 6.0L V8 SFI Gaseous CNG (Compressed Natural Gas) engine.)
Suspension Package, Handling/Trailering, heavy-duty includes 51mm twin tube shock absorbers and 33mm front stabilizer bar
Air cleaner, high-capacity
Alternator, 150 amps
Recovery hooks, front, frame-mounted, black
Brakes, 4-wheel antilock, 4-wheel disc with DuraLife brake rotors
Exhaust, aluminized stainless-steel muffler and tailpipe
Pickup box, Wideside
Transfer case, electronic shift with rotary dial controls (Requires 4WD models.)
Steering, Recirculating Ball
Trailer brake controller, integrated (Standard with (E63) pickup box.)
Trailer brake controller, integrated (Standard with (E63) pickup box. Available to order with (ZW9) pickup box delete.)
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 (Deleted when (ZW9) pickup box delete or (9J4) rear bumper delete is ordered.)
Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power
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 (Does not include E85 capability with (ZW9) pickup box delete.)
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 or (LC8) 6.0L V8 SFI Gaseous engine.)
GVWR, 9500 lbs. (4309 kg) (Requires (L96) Vortec 6.0L V8 SFI engine or (LC8) 6.0L V8 SFI Gaseous engine. Not available with TK25943.)
GVWR, 9900 lbs. (4490 kg) (With (L96) Vortec 6.0L V8 SFI engine or (LC8) 6.0L V8 SFI Gaseous engine requires TK25943 model.)
Differential, heavy-duty locking rear (Included and only available with (Z82) trailering equipment)
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