• Combined MPG
    24
  • Engine
    DURAMAX 3.0L
  • Drivetrain
    4WD
  • Passengers
    5
  • Horsepower Ft3
    305
  • Torque Ft3
    495

Engine
DURAMAX 3.0L TURBO-DIESEL I6(Standard)
Horsepower Ft3
305 @ 3750 RPM
Torque
495 @ 2750 RPM

Other Engine Options

Engine
6.2L ECOTEC3 V8
Horsepower Ft3
420 @ 5600 RPM
Torque
460 @ 4100 RPM
Max Towing Capacity
8,700 lbs

  • Drivetrain
    Four Wheel Drive
  • Transmission
    10-Speed Automatic With Electronic Precision Shift, Electronically Controlled(Standard)
  • Transmission
    10-Speed Automatic With Electronic Precision Shift, Electronically Controlled

Fuel Tank Capacity, Approx
24 gal
Engine
DURAMAX 3.0L TURBO-DIESEL I6
Transmission
10-Speed Automatic With Electronic Precision Shift, Electronically Controlled
EPA Fuel Economy Est (MPG)
City: 22 / Hwy: 26
Engine
6.2L ECOTEC3 V8
Transmission
10-Speed Automatic With Electronic Precision Shift, Electronically Controlled
EPA Fuel Economy Est (MPG)
City: 15 / Hwy: 19

Aerial View Display System

Air Bag-Frontal-Driver

Air Bag-Frontal-Passenger

Air Bag-Passenger Sensor

Air Bag-Side Body-Front

Air Bag-Side Head-Front

Air Bag-Side Head-Rear

Back-Up Camera

Blind Spot Monitor

Brakes-ABS

Brakes-Type-4 Wheel DISC

Collision Mitigation-Front

Collision Warning-Front

Cross-Traffic Alert

Daytime Running Lights

Driver Monitoring-Alert

Headlights-Automatic Highbeams

Headlights-LED

Lane Departure Warning

Lane Keeping Assist

Parking Aid

Security System

Stability Control

Traction Control

Air Conditioning-Auto Climate Control

Air Conditioning-Front

Air Conditioning-Multi-Zone

Auto-Dimming Rearview Mirror

Cruise Control

Cruise Control-Adaptive

Integrated Tailgate Step

Keyless Entry

Keyless Start

Max Seating Capacity: 5

Mirror(s)-Power

Mirrors-Memory

Mirrors-Power Folding

Navigation System

Power Locks

Remote Engine Start

Seat Trim-Leather

Seat-Adjustable Lumbar-Driver

Seat-Adjustable Lumbar-Passenger

Seat-Memory

Seat-Power Driver

Seat-Power Passenger

Seat-Rear Pass-Through

Seat(s)-Cooled Front

Seat(s)-Heated Front

Seat(s)-Heated Rear

Seats-Front Bucket

Steering Wheel-Adjustable

Steering Wheel-Audio Controls

Steering Wheel-Heated

Steering-Power

Telematics

Telematics-Navigation

Telephone-Bluetooth Connection

WiFi Hotspot

Windows-Power

Audio-AM/FM Stereo

Audio-Aux Input

Audio-MP3 Capability

Audio-Satellite Radio

Audio-Upgrade Sound System

Service-Subscription Required

Smart Device Integration

Floor Mats

Bed Liner

Doors: 4

Fog Lamps

Mirror(s)-Heated

Rear Window Defogger

Tow Hitch

Tow Hooks

Windows-Deep Tinted

Wipers-Intermittent

Wipers-Rain Sensing

Wipers-Variable Speed Intermittent

Front Tire Size: 275/60R20SL

Rear Tire Size: 275/60R20SL

Spare Tire Size: 255/80R17SL

Front Wheel Size (in): 20 x 9

Rear Wheel Size (in): 20 x 9

Front Wheel Material: Aluminum

Rear Wheel Material: Aluminum

  • Curb Weight
    4,826 lbs
  • Gross Vehicle Weight Rating
    7,200 lbs
  • Max Payload
    2,374 lbs

  • Passenger Capacity
    5
  • 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

  • Turning Diameter - Curb to Curb (ft)
    47.3
  • Turning Diameter - Wall to Wall (ft)
    N/A
  • Wheelbase (in)
    147.55
  • Length, Overall (in)
    232.9
  • Width, Max w/o mirrors (in)
    81.24
  • Height, Overall (in)
    78.35
  • Overhang, Front (in)
    - TBD -
  • Overhang, Rear w/o bumper (in)
    - TBD -
  • Front Bumper to Back of Cab (in)
    - TBD -
  • Cab to Axle (in)
    - TBD -
  • Cab to End of Frame (in)
    - TBD -
  • Ground to Top of Load Floor (in)
    - TBD -
  • Ground to Top of Frame (in)
    - TBD -
  • Frame Width, Rear (in)
    - TBD -
  • Ground Clearance, Front (in)
    11.1
  • Ground Clearance, Rear (in)
    11.1

  • Basic
    3 years / 36000 miles
  • Drivetrain
    5 years / 60000 miles
  • Corrosion
    6 years / 36000 miles
  • Roadside Assistance
    5 years / 60000 miles

  • Vehicle Certification Criteria
    172-point inspection and reconditioning process
    6 model years or newer
    less than 75,000 miles
  • Warranty
    Powertrain 5 years/100,000 miles limited warranty from original in-service date
    Bumper-to-bumper 12 months/12,000 miles new-vehicel warranty extension after new-car warranty expires
    CPO industry exclusive 2 years/30,000 miles standard maintenance plan
    Roadside assistance and 24/7 courtesy transportation
  • Vehicle History Report Provided
    Yes
  • Deductible
    No
  • Transferrable
    Yes $0
  • Dealer Return/Exchange
    3 days/150 miles customer satisfaction guarantee

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Consumer Ratings

2026 GMC Sierra 1500
JD Power
81
Out of 100
The JD Power 100-Point Score is based on hundreds of thousands of independent and unbiased opinions of verified car owners.
See the 2026 GMC Sierra 1500 model page for more details.
New 2026 GMC Sierra 1500 4WD Crew Cab 147" AT4 Specs | JD Power