• Combined MPG
    20
  • Engine
    No data
  • Drivetrain
    RWD
  • Passengers
    3
  • Horsepower Ft3
    310
  • Torque Ft3
    430

Engine
TURBOMAX(Standard)
Horsepower Ft3
310 @ 5600 RPM
Torque
430 @ 3000 RPM

Other Engine Options

Engine
5.3L ECOTEC3 V8
Horsepower Ft3
355 @ 5600 RPM
Torque
383 @ 4100 RPM
Max Towing Capacity
9,400 lbs

  • Drivetrain
    Rear Wheel Drive
  • Transmission
    8-Speed Automatic, (Column Shifter) Electronically Controlled(Standard)
  • Transmission
    10-Speed Automatic, (Column Shifter) Electronically Controlled

Fuel Tank Capacity, Approx
28 gal
Engine
TURBOMAX
Transmission
8-Speed Automatic, (Column Shifter) Electronically Controlled
EPA Fuel Economy Est (MPG)
City: 18 / Hwy: 21
Engine
5.3L ECOTEC3 V8
Transmission
10-Speed Automatic, (Column Shifter) Electronically Controlled
EPA Fuel Economy Est (MPG)
City: 16 / Hwy: 20

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

Brakes-ABS

Brakes-Type-4 Wheel DISC

Collision Mitigation-Front

Collision Warning-Front

Daytime Running Lights

Headlights-Automatic Highbeams

Headlights-LED

Lane Departure Warning

Lane Keeping Assist

Stability Control

Traction Control

Air Conditioning-Front

Cruise Control

Keyless Entry

Keyless Start

Max Seating Capacity: 3

Mirror(s)-Power

Power Locks

Seat Trim-Vinyl

Seats-Front Bench-Split

Steering Wheel-Adjustable

Steering-Power

Telematics

Telematics-Navigation

Telephone-Bluetooth Connection

WiFi Hotspot

Windows-Power

Audio-AM/FM Stereo

Audio-Aux Input

Audio-MP3 Capability

Service-Subscription Required

Smart Device Integration

Floor Mats

Power Outlet

Doors: 2

Mirror(s)-Heated

Front Tire Size: 255/70R17

Rear Tire Size: 255/70R17

Spare Tire Size: 255/70R17

Front Wheel Size (in): 17 x 8

Rear Wheel Size (in): 17 x 8

Front Wheel Material: Steel

Rear Wheel Material: Steel

  • Curb Weight
    4,357 lbs
  • Gross Vehicle Weight Rating
    6,800 lbs
  • Max Payload
    2,443 lbs

  • Passenger Capacity
    3
  • Front Head Room (in)
    43.11
  • Front Leg Room (in)
    44.53
  • Front Shoulder Room (in)
    66.02
  • Front Hip Room (in)
    60.9

  • Turning Diameter - Curb to Curb (ft)
    44
  • Turning Diameter - Wall to Wall (ft)
    N/A
  • Wheelbase (in)
    139.56
  • Length, Overall (in)
    229.73
  • Width, Max w/o mirrors (in)
    81.15
  • Height, Overall (in)
    75.6
  • 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)
    7.9
  • Ground Clearance, Rear (in)
    7.9

  • 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.