2026 GMC Sierra 2500HD 2500 AT4X

Complete vehicle specifications

Vehicle description

Features & options (80)

• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
• Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
• GVWR, 11,025 lbs. (5001 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)
• Hill Descent Control
• Transfer case, two-speed active, electronic Autotrac with push button control
• Differential, driver-selectable full-locking rear, e-locking
• Four wheel drive
• Cooling, external engine oil cooler
• Cooling, auxiliary external transmission oil cooler
• Air filter, heavy-duty
• Air filtration monitoring
• Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
• Trailer brake controller, integrated
• Skid Plates, front aluminum
• Skid Plates, Transfer case, steel
• Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Brake lining wear indicator
• Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
• Tires, LT305/70R18-126/123R, 35" M/T
• Tire, spare, LT305/70R18-126/123R, 35" M/T
• Wheel, Spare 18" (50.8 cm)
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Sunroof, power
• Bumper, front, body-colour lower (Bumper color will be High Gloss Black.)
• Bumper, rear body-colour with bumper CornerSteps (Bumper color will be High Gloss Black.)
• Bedliner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel)
• Bed Step, Black integrated on forward portion of bed on driver and passenger side
• CornerStep, rear bumper (Not available with (ULV) AT4X AEV Edition.)
• Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
• Wheelhouse liners, rear
• Mouldings, beltline, Black
• Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
• Fog lamps, LED
• Lamps, cargo area cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
• LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
• Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
• Lamps, Smoked Amber roof marker, (LED)
• Mirror caps, high gloss Black
• Glass, deep-tinted
• Wipers, front rain-sensing
• Door handles, body-colour (With (ULV) AT4X AEV Edition door handles will be Gloss black.)
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
• Tailgate and bed rail protection caps, top
• Seats, heated second row outboard seats
• Driver memory recalls driver "presets" for power driver seat and outside mirrors
• Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
• Floor covering, colour-keyed carpeting
• Steering wheel, leather-wrapped
• Steering wheel, heated
• Steering wheel audio controls
• Steering column, manual Tilt-Wheel and telescoping
• Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
• Multicolour 15" Diagonal Head-Up Display
• Rear Seat Reminder
• GMC Premium information Display- 13.4" diagonal Multicolour touch screen
• Exterior Temperature Display, located in radio display
• Compass, located in instrument cluster
• Remote vehicle starter system
• Adaptive Cruise Control
• Universal Home Remote
• Wireless Charging
• Theft-deterrent system, unauthorized entry
• Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
• USB ports, (2) charge-only, rear
• Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
• Air vents, rear
• Air conditioning, dual-zone automatic climate control
• Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
• Front and Rear Park Assist, ultrasonic
• Trailer Camera Provisions and trailer viewing software
• Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
• Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
• Rear Seat Belt Indicator
• Rear Cross Traffic Alert
• Trailer Side Blind Zone Alert
• Seat Belt Adjustable Guide Loops, front row only
• Safety Alert Seat
• Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
• Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.