Vehicle Details
Body Style
Truck
Engine
6.2L 8Cyl
Exterior Colour
White
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
303779
Fuel Type
Gasoline
Trim Details
Crew Cab Short Box 4-Wheel Drive AT4
Description
The 2026 GMC Sierra 1500 AT4 combines premium comfort, aggressive off-road capability, and unmistakable GMC styling into one exceptionally refined full-size pickup. Built for drivers who want rugged performance without sacrificing luxury or technology, the AT4 stands ready for the trail, the jobsite, or the daily commute with confidence and attitude.Â
Performance & CapabilityÂ
Engine: Powerful 6.2L ECOTEC3 V8 delivering impressive horsepower, strong towing capability, and commanding acceleration Â
Transmission: Smooth-shifting 10-speed automatic transmission with Electronic Precision Shift for refined responsiveness Â
Drivetrain: Advanced Autotrac 4-Wheel Drive (4WD) system for confident traction on challenging terrain Â
Off-Road Suspension Package engineered for enhanced durability, articulation, and trail-ready capability Â
Automatic locking rear differential maximizes traction in mud, snow, gravel, and uneven terrain Â
Hill Descent Control and skid plates provide added confidence during off-road adventures Â
Active Exhaust System delivers a bold performance-inspired sound Â
Trailering Equipment includes integrated trailer brake controller, Hitch Guidance with Hitch View, and in-vehicle trailering technology Â
FlexRide Drive Mode System allows optimized performance for towing, off-road driving, and changing road conditions Â
Engine oil cooler, transmission oil cooler, and heavy-duty air filter enhance durability under demanding workloads Â
Â
Winter & Weather ComfortÂ
Heated & Ventilated Front Seats provide year-round comfort in all seasons Â
Heated Rear Outboard Seats add premium second-row passenger comfort Â
Heated Steering Wheel keeps cold-weather drives comfortable Â
Remote Vehicle Start allows the cabin to warm up or cool down before entry Â
Dual-Zone Automatic Climate Control maintains personalized comfort for driver and passenger Â
Rain-Sensing Wipers and IntelliBeam automatic high beams improve visibility in changing conditions Â
Engine Block Heater supports reliable cold-weather starts Â
Premium Floor Liners with removable carpet inserts help protect the interior year-round Â
Â
Interior Comfort & ConvenienceÂ
Front Bucket Seats with premium AT4 interior styling and Jet Black/Kalahari accents create a bold, upscale cabin Â
Power Driver & Passenger Seats with memory settings and power lumbar support for personalized comfort Â
Power Sunroof adds an open-air driving experience and additional natural light Â
Rear Sliding Power Window and Rear Seat Storage Package increase convenience and utility Â
Wireless Charging Pad and multiple USB/120V outlets keep devices connected and powered Â
Keyless Open & Push-Button Start provide effortless everyday convenience Â
Wireless Apple CarPlay® & Android Autoâ„¢ integration for seamless smartphone connectivity Â
13.4" GMC Premium Infotainment Touchscreen with Google Built-In compatibility and navigation capability Â
12" Digital Driver Information Centre delivers customizable driving information at a glance Â
Bose® Premium Audio System provides rich, immersive sound throughout the cabinÂ
Power Tilt & Telescopic Steering Column and Universal Home Remote add premium convenience features Â
Â
Safety & Driver AssistanceÂ
GMC Pro Safety suite designed to enhance driver confidence and awareness Â
Forward Collision Alert with Automatic Emergency Braking Â
Lane Keep Assist with Lane Departure Warning for added highway confidence Â
Adaptive Cruise Control helps reduce driver fatigue on long drives Â
HD Surround Vision provides a comprehensive 360-degree view for parking and maneuvering Â
Front & Rear Park Assist improves awareness in tight spaces Â
Trailer Side Blind Zone Alert enhances confidence while towing Â
Rear Cross Traffic Braking and Rear Pedestrian Alert increase awareness in busy environments Â
Front Pedestrian Braking and Following Distance Indicator support safer everyday driving Â
Driver Safety Alert Seat delivers intuitive vibration warnings for potential hazards Â
Technology Package adds a Rear Camera Mirror, Bed View Camera, and a vivid 15" Multicolor Head-Up Display Â
Â
Exterior Styling & UtilityÂ
Exterior Colour: Summit White — clean, bold, and perfectly matched to the AT4’s rugged styling Â
20" Machined Aluminum Wheels with Carbon Grey Metallic accents wrapped in aggressive all-terrain tires Â
Signature AT4 styling with dark exterior accents and bold athletic design details Â
LED Headlamps, LED Fog Lamps, and LED Cargo Bed Lighting provide outstanding visibility and modern appearance Â
GMC MultiPro Tailgate offers versatile loading, workspace, and step functionality Â
Spray-On Bedliner and 120V Bed-Mounted Power Outlet increase worksite practicality and durability Â
Off-Road High Clearance Steps improve access while maintaining trail-ready capability Â
Red Front Recovery Hooks add functional off-road confidence and distinctive AT4 character Â
Deep-Tinted Glass, perimeter lighting, and muscular body lines complete the truck’s aggressive premium appearance Â
Â
Whether you’re towing heavy loads, navigating backcountry trails, or cruising through the city in comfort, the 2026 GMC Sierra 1500 AT4 delivers powerful V8 performance, advanced technology, and rugged sophistication in one bold package. It’s the perfect blend of off-road capability, premium refinement, and professional-grade strength.Â
Â
Packages & Options
Standard Equipment
Technical Specifications
-
AM/FM Stereo
-
Auxiliary Audio Input
-
Bluetooth Connection
-
MP3 Player
-
Navigation System
-
Smart Device Integration
-
Requires Subscription
-
Satellite Radio
-
Premium Sound System
-
Steering Wheel Audio Controls
-
WiFi Hotspot
-
Aluminum Wheels
-
Tires - Front All-Terrain
-
Tires - Rear All-Terrain
-
Conventional Spare Tire
-
Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
-
Wheelhouse liners, rear (Deleted with (PCP) AT4 CarbonPro Edition.)
-
Bumper, front, body-colour lower
-
Bumper, rear body-colour with corner steps
-
Grille (Black chrome header and grille insert bars with gloss black accents.)
-
Daytime Running Lights
-
LED Headlights
-
Automatic Highbeams
-
Fog Lamps
-
Lighting, perimeter
-
Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
-
Heated Mirrors
-
Mirror Memory
-
Power Folding Mirrors
-
Power Mirror(s)
-
Mirror caps, high gloss Black
-
Intermittent Wipers
-
Rain Sensing Wipers
-
Variable Speed Intermittent Wipers
-
Privacy Glass
-
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
-
Integrated Tailgate Step
-
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
-
Tailgate and bed rail protection caps, top
-
Door handles, body-colour
-
Bed Liner
-
Bucket Seats
-
Leather Seats
-
Driver Adjustable Lumbar
-
Power Driver Seat
-
Passenger Adjustable Lumbar
-
Power Passenger Seat
-
Heated Front Seat(s)
-
Mirror Memory
-
Seat Memory
-
Cooled Front Seat(s)
-
Pass-Through Rear Seat
-
Rear Bench Seat
-
Heated Rear Seat(s)
-
Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
-
Floor covering, colour-keyed carpeting
-
Floor Mats
-
Adjustable Steering Wheel
-
Steering wheel, wrapped
-
Heated Steering Wheel
-
Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
-
GMC Premium information Display-13.4" diagonal Multicolour I touch screen
-
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
-
Compass, located in instrument cluster
-
Exterior Temperature Display, located in radio display
-
Brake lining wear indicator
-
Power Windows
-
Power Door Locks
-
Keyless Entry
-
Keyless Start
-
Remote Engine Start
-
Adaptive Cruise Control
-
Cruise Control
-
Security System
-
Steering column lock, electrical
-
Wireless Charging
-
Power outlet, interior power outlet, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
-
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)
-
Auxiliary Audio Input
-
MP3 Player
-
USB ports, (2) charge-only, rear
-
A/C
-
Climate Control
-
Multi-Zone A/C
-
Air vents, rear
-
Rear Defrost
-
Auto-Dimming Rearview Mirror
-
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
-
Diesel Fuel
-
Straight 6 Cylinder Engine
-
Turbocharged
-
10-Speed A/T
-
A/T
-
Transmission w/Dual Shift Mode
-
Rear axle, 3.23 ratio
-
Pickup bed
-
GVWR, 7200 lbs. (3266 kg) (Requires TK10*43 Crew Cab 4WD model with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
-
Keyless Start
-
Air filter, heavy-duty
-
Automatic Stop/Start
-
Hill Descent Control
-
Locking/Limited Slip Differential
-
Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)
-
Suspension, Off-Road with 2" factory installed lift and monotube shocks
-
Four Wheel Drive
-
Alternator, 220 amps
-
Battery, heavy-duty 850 cold-cranking amps/95 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
-
Frame, fully-boxed, hydroformed front section
-
Trailer brake controller, integrated
-
Tow Hooks
-
Skid Plates
-
Cargo tie downs (12), fixed, rated at 500 lbs per corner
-
Power Steering
-
4-Wheel Disc Brakes
-
ABS
-
Exhaust, dual system (Includes chrome exhaust tips. Not available with (L87) 6.2L EcoTec3 V8 engine.)
-
Exhaust, aluminized stainless-steel muffler and tailpipe
-
Tow Hitch
-
Automatic Highbeams
-
Front Collision Mitigation
-
Front Collision Warning
-
Lane Departure Warning
-
Lane Keeping Assist
-
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
-
Hitch View with image adjustment, Pan/Zoom/Tilt
-
Hitch Guidance
-
Aerial View Display System
-
Back-Up Camera
-
Trailer Camera Provisions and trailer viewing software
-
Rear Parking Aid
-
Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)
-
Lane Departure Warning
-
Lane Keeping Assist
-
Blind Spot Monitor
-
Cross-Traffic Alert
-
Rear Pedestrian Alert
-
Driver Monitoring
-
Seat Belt Adjustable Guide Loops, front row only
-
Rear Seat Belt Indicator
-
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) GMC Pro Safety.)
-
Tire Pressure Monitor
-
Rear Seat Reminder
No matches were found.
-
Vehicle NameGMC Sierra 1500
-
Body StyleCrew Cab Pickup
-
Body CodeE63
-
DrivetrainFour Wheel Drive
-
Trans Order CodeMHS
-
Trans Type10
-
Trans Description Cont.Automatic
-
First Gear Ratio (:1)4.70
-
Second Gear Ratio (:1)2.99
-
Third Gear Ratio (:1)2.15
-
Fourth Gear Ratio (:1)1.77
-
Fifth Gear Ratio (:1)1.52
-
Sixth Gear Ratio (:1)1.28
-
Seventh Gear Ratio (:1)1.00
-
Eighth Gear Ratio (:1)0.85
-
Ninth Gear Ratio (:1)0.69
-
Tenth Gear Ratio (:1)0.64
-
Reverse Ratio (:1)4.87
-
Transfer Case ModelMagna MP3023/4
-
Transfer Case Gear Ratio (:1), High1.00
-
Transfer Case Gear Ratio (:1), Low2.69
-
Passenger Capacity5
-
Front Head Room (in)43.03
-
Front Leg Room (in)44.53
-
Front Shoulder Room (in)64.54
-
Front Hip Room (in)60.78
-
Second Head Room (in)40.12
-
Second Leg Room (in)43.4
-
Second Shoulder Room (in)64
-
Second Hip Room (in)59.24
-
Gross Axle Wt Rating - Front (lbs)3800
-
Gross Axle Wt Rating - Rear (lbs)3800
-
Curb Weight - Front (lbs)2845
-
Curb Weight - Rear (lbs)1981
-
Gross Vehicle Weight Rating Cap (lbs)7100
-
Gross Combined Wt Rating (lbs)15000
-
EnerGuide Estimate - City (L/100 km)16.0
-
EnerGuide Estimate - Hwy (L/100 km)12.1
-
G/km Of CO2 Emissions335
-
Dead Weight Hitch - Max Trailer Wt. (lbs)5000
-
Dead Weight Hitch - Max Tongue Wt. (lbs)500
-
Wt Distributing Hitch - Max Trailer Wt. (lbs)8900
-
Wt Distributing Hitch - Max Tongue Wt. (lbs)890
-
Fifth Wheel Hitch - Max Trailer Wt. (lbs)6600
-
Fifth Wheel Hitch - Max Tongue Wt. (lbs)1650
-
Maximum Trailering Capacity (lbs)9000
-
Engine TypeGas V8
-
Fuel SystemDirect Injection
-
Engine Order CodeL87
-
Displacement6.2L/376
-
SAE Net Horsepower @ RPM420 @ 5600
-
SAE Net Torque @ RPM460 @ 4100
-
Engine Oil CoolerYes
-
Cold Cranking Amps @ 0° F (Primary)730
-
Maximum Alternator Capacity (amps)170
-
Frame TypeHydroformed
-
Suspension Type - FrontIndependent
-
Suspension Type - RearSolid Axle
-
Spring Capacity - Front (lbs)3800
-
Spring Capacity - Rear (lbs)3850
-
Axle Capacity - Front (lbs)3800
-
Axle Capacity - Rear (lbs)3800
-
Axle Ratio (:1) - Front3.23
-
Axle Ratio (:1) - Rear3.23
-
Stabilizer Bar Diameter - Front (in)1.3
-
Front Tire Order CodeQAE
-
Rear Tire Order CodeQAE
-
Spare Tire Order CodeQAQ
-
Front Tire Size275/60R20SL
-
Rear Tire Size275/60R20SL
-
Spare Tire Size255/80R17SL
-
Front Tire Capacity (lbs)3800
-
Rear Tire Capacity (lbs)3800
-
Revolutions/Mile @ 45 mph - Front (Rev/Mile)N/A
-
Revolutions/Mile @ 45 mph - Rear (Rev/Mile)N/A
-
Revolutions/Mile @ 45 mph - Spare (Rev/Mile)N/A
-
Front Wheel Size (in)20 x 9
-
Rear Wheel Size (in)20 x 9
-
Spare Wheel Size (in)17 x 8
-
Front Wheel MaterialAluminum
-
Rear Wheel MaterialAluminum
-
Spare Wheel MaterialSteel
-
Steering TypeElectric Rack & Pinion
-
Turning Diameter - Curb to Curb (ft)47.3
-
Turning Diameter - Wall to Wall (ft)N/A
-
Brake TypePwr
-
Brake ABS System4-Wheel
-
Disc - FrontYes
-
Disc - RearYes
-
Front Brake Rotor Diam x Thickness (in)13 x 1.18
-
Rear Brake Rotor Diam x Thickness (in)13.6 x 0.79
-
Fuel Tank Capacity, Approx (L)91
-
Wheelbase (in)148
-
Length, Overall (in)232.9
-
Width, Max w/o mirrors (in)81.24
-
Height, Overall (in)78.35
-
Ground Clearance, Front (in)11.1
-
Ground Clearance, Rear (in)11.1
-
Cargo Box Length @ Floor (in)69.92
-
Cargo Box Width @ Floor (in)71.4
-
Cargo Box Width @ Wheelhousings (in)50.63
-
Cargo Box (Area) Height (in)22.42
-
Cargo Volume (ft³)62.9
No matches were found.
Similar Vehicles
Crew Cab Short Box 4-Wheel Drive AT4
VIN: 3GTUUEE89TG388461
City: 10.7L/100 km • Hwy: 9.3L/100 km
In-Transit
Crew Cab Short Box 4-Wheel Drive AT4
VIN: 1GTUUEEL2TZ390203
City: 16L/100 km • Hwy: 12.1L/100 km
VIN: 1GTUUGEL3TZ231606
Crew Cab Short Box 4-Wheel Drive AT4
VIN: 1GTUUEEL9TZ387914
City: 16L/100 km • Hwy: 12.1L/100 km
In-Transit
Crew Cab Standard Box 4-Wheel Drive AT4
VIN: 1GTUUEE84TZ326918
City: 11L/100 km • Hwy: 9.9L/100 km
Crew Cab Short Box 4-Wheel Drive AT4
VIN: 3GTUUEEL1TG377796
City: 17.1L/100 km • Hwy: 14L/100 km
* Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2026 GMC Sierra 1500 AT4 may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.
Calculate Payments
Finance
Lease