2026 GMC Sierra 1500

Condition New
MPG 21 - 24
Body Style 4x4
Transmission Automatic
Drive Train Four-wheel Drive
Trim AT4
Engine Diesel
3L I6
Brakes 4-Wheel Anti-Lock Brakes

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2026 GMC Sierra 1500

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Vehicle Overview

Capable rugged pickup with luxury comfort

Meet the 2026 GMC Sierra 1500 AT4 — where serious off-road capability meets premium comfort. Standard 4WD with a locking differential, LT275/65R18 tires and 11.1" ground clearance tackle trails with confidence, while ABS, electronic brake assist and a full suite of airbags keep you safe on the road. Inside, enjoy leather heated/cooled power seats with lumbar support, a heated leather steering wheel, navigation and a premium audio system, plus a power sunroof for open-air driving. Keyless entry, remote start with climate control and vehicle anti-theft add convenience and security, all backed by a 3/36 basic, 5/60 powertrain and 6/100 rust warranty. Stop by today — let me show you why the Sierra AT4 is the perfect blend of rugged and refined.
  • Checkmark Bold head-turning stance
  • Checkmark Sleek premium ride
  • Checkmark Rugged confident presence
  • Checkmark Lightning-fast tech feel

Vehicle Equipment

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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