2026 GMC Sierra 1500

Condition New
MPG 14 - 17
Transmission Automatic
Drive Train Four-wheel Drive
Trim AT4
Engine Gasoline
6.2L V8
Brakes 4-Wheel Anti-Lock Brakes

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2026 Sierra 1500

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Vehicle Overview

2026 AT4 in Coastal Dune, ready to explore

Meet the 2026 AT4 — rugged capability wrapped in premium comfort. With standard 4WD, a locking differential, ABS, traction and stability control, and a built‑in vehicle anti‑theft system (with braking), it’s ready for work, weekend off‑road runs or daily driving. Inside you’ll find leather heated and cooled power seats with lumbar support, a heated leather steering wheel, keyless entry with remote start/climate control, navigation and a punchy subwoofer — plus an upgraded power sunroof for fresh air on the go. Practical touches include child safety door locks, heated exterior mirrors, a full‑size spare, 11.1" ground clearance and a stout 5,500 lb curb weight. Backed by 3‑year/36,000‑mile basic, 5‑year/60,000‑mile powertrain and 6‑year/100,000‑mile rust warranties — come test drive the AT4 today and feel the difference.
  • Checkmark Bold, capable presence
  • Checkmark Sleek rugged stance
  • Checkmark Head-turning design
  • Checkmark All-terrain beast

Vehicle Equipment

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    4WD/AWD
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    Navigation Aid
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    Keyless Entry
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    Air Conditioning
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    Power Windows
Included Options
Power Sunroof
Standard Equipment
Child Safety Door Locks
Vehicle Anti-Theft
4WD/AWD
ABS Brakes
Electronic Brake Assistance
Locking Differential
Traction Control
Vehicle Stability Control System
Driver Airbag
Front Side Airbag
Front Side Airbag With Head Protection
Front Side Airbag With Head Protection
Passenger Airbag
Electronic Parking Aid
Keyless Entry
Remote Ignition
Air Conditioning
Separate Driver/Front Passenger Climate Controls
Cruise Control
Tachometer
Heated Steering Wheel
Leather Steering Wheel
Steering Wheel Mounted Controls
Telescopic Steering Column
Tire Pressure Monitor
Trip Computer
AM/FM Radio
Navigation Aid
Subwoofer
Driver Multi-Adjustable Power Seat
Front Cooled Seat
Front Heated Seat
Front Power Lumbar Support
Leather Seat
Passenger Multi-Adjustable Power Seat
Automatic Headlights
Daytime Running Lights
Full Size Spare Tire
Power Windows
Heated Exterior Mirror
Electrochromic Interior Rearview Mirror
Anti-Brake System
4-Wheel ABS
Steering Type
R&P
Front Brake Type
Disc
Rear Brake Type
Drum
Front Suspension
IND
Rear Suspension
Live
Front Spring Type
Live
Rear Spring Type
Leaf
Tires
Lt275/65r18
Front Headroom
43.00 In.
Rear Headroom
40.10 In.
Front Legroom
44.50 In.
Rear Legroom
43.40 In.
Front Shoulder Room
64.50 In.
Rear Shoulder Room
64.00 In.
Front Hip Room
60.80 In.
Rear Hip Room
59.20 In.
Curb Weight-automatic
5,500 Lbs
Overall Length
232.90 In.
Wheelbase
148.00 In.
Ground Clearance
11.10 In.
Overall Length
232.90 In.
Standard Seating
5

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