2026 GMC Sierra 1500

Condition New
MPG 14 - 17
Body Style 4x4
Exterior Black
Transmission Automatic
Drive Train Four-wheel Drive
Trim AT4
Engine Diesel
3L I6
Brakes 4-Wheel Anti-Lock Brakes

Ask ACE about the
2026 GMC Sierra 1500

BETA

Vehicle Overview

Powerful GMC Sierra 1500 AT4 in Onyx Black

Meet the 2026 GMC Sierra 1500 AT4 in striking Black — rugged capability wrapped in premium comfort. This off-road–ready AT4 comes standard with 4WD, a locking differential and advanced traction and stability systems so you can tackle rough terrain with confidence. Inside, enjoy heated/cooled leather power seats with lumbar support, a heated leather steering wheel, panoramic power sunroof, navigation and a premium subwoofer for driving pleasure. Safety is comprehensive — multiple airbags, ABS with electronic brake assist and electronic parking aid — and peace of mind comes with generous warranties (36K/36 mo. basic, 60K/60 mo. powertrain, 72 mo./100K rust). Ready to elevate your drive? Come see and test-drive the Sierra AT4 today.
  • Checkmark Bold rugged presence
  • Checkmark Sleek confident stance
  • Checkmark Beastly capable power
  • Checkmark Head turning style

Vehicle Equipment

  • Checkmark
    4WD/AWD
  • Checkmark
    Navigation Aid
  • Checkmark
    Power Sunroof
  • Checkmark
    Leather Seat
  • Checkmark
    Front Heated Seat
  • Checkmark
    Keyless Entry
  • Checkmark
    Air Conditioning
  • Checkmark
    Cruise Control
  • Checkmark
    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

Current Offers

Overall, how satisfied are you with the information available on this page?

Vehicle Happiness Index is a CarJazz exclusive indicator of how happy you'll be with the purchase. Factors include price, vehicle history, vehicle and dealer ratings and distance from the dealership for ease of service.