New 2026 GMC Sierra 2500HD AT4X

Aluminum Wheels

Tires - Front All-Season

Tires - Rear All-Season

Conventional Spare Tire

Wheel, Spare 18" (50.8 cm)

Generic Sun/Moonroof

Sun/Moonroof

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.)

Power Retractable Running Boards

Running Boards/Side Steps

Bed Liner

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.)

Daytime Running Lights

Automatic Highbeams

Fog Lamps

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)

Heated Mirrors

Integrated Turn Signal Mirrors

Power Folding Mirrors

Power Mirror(s)

Privacy Glass

Intermittent Wipers

Rain Sensing Wipers

Variable Speed Intermittent Wipers

Door handles, body-colour (With (ULV) AT4X AEV Edition door handles will be Gloss black.)

Integrated Tailgate Step

Tailgate and bed rail protection caps, top

Bucket Seats

Leather Seats

Pass-Through Rear Seat

Rear Bench Seat

Driver Adjustable Lumbar

Power Driver Seat

Seat-Massage

Passenger Adjustable Lumbar

Power Passenger Seat

Heated Front Seat(s)

Cooled Front Seat(s)

Heated Rear Seat(s)

Mirror Memory

Seat Memory

Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability

Floor covering, colour-keyed carpeting

Floor Mats

Leather Steering Wheel

Heated Steering Wheel

Steering Wheel Audio Controls

Adjustable Steering Wheel

Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display

Heads-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

Power Windows

Rear Defrost

Sliding Rear Window

Power Door Locks

Keyless Entry

Keyless Start

Remote Engine Start

Adaptive Cruise Control

Cruise Control

Universal Garage Door Opener

Wireless Charging

Security System

Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)

Auxiliary Audio Input

MP3 Player

USB ports, (2) charge-only, rear

Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)

A/C

Climate Control

Multi-Zone A/C

Auto-Dimming Rearview Mirror

Back-Up Camera

Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted

8 Cylinder Engine

Gasoline Fuel

10-Speed A/T

A/T

Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)

Running Boards/Side Steps

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.)

Keyless Start

Hill Descent Control

Transfer case, two-speed active, electronic Autotrac with push button control

Locking/Limited Slip Differential

Four Wheel Drive

Cooling, external engine oil cooler

Cooling, auxiliary external transmission oil cooler

Air filter, heavy-duty

Air filtration monitoring

Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)

Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)

Trailer brake controller, integrated

In-Vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert when (PTT) trailer tire pressure monitor sensors are installed.)

Tow Hooks

Skid Plates, front aluminum

Skid Plates, Transfer case, steel

Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section

Suspension, Off-Road Includes, 1.5" suspension lift: front suspension lift composed of: Control Arms, Ball Joints, Knuckles, DSSV Dampers, rear suspension lift composed of spacer block and DSSV Dampers and Half shafts w/ revised joints, 3-stage Leaf springs from 3500

Power Steering

4-Wheel Disc Brakes

ABS

Brake lining wear indicator

Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)

Automatic Highbeams

Front Collision Mitigation

Front Collision Warning

Lane Departure Warning

Tow Hitch

ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App

Front Collision Mitigation

Front Collision Warning

Stability Control

Traction Control

Daytime Running Lights

Driver Air Bag

Front Head Air Bag

Front Side Air Bag

Passenger Air Bag

Passenger Air Bag Sensor

Rear Head Air Bag

Requires Subscription

Telematics

Rear Parking Aid

Aerial View Display System

Back-Up Camera

Bed View Camera, camera in the CHMSL to show a view of the cargo bed display located in infotainment screen, includes Two Trailer Camera Provisions

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.)

Lane Departure Warning

Cross-Traffic Alert

Blind Spot Monitor

Seat Belt Adjustable Guide Loops, front row only

Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety.)

Safety Alert Seat

Driver Restriction Features

Tire Pressure Monitor

Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories

Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering