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2023 GMC Sierra

The 2023 GMC Sierra brings small changes to the Sierra 1500 following a refresh for the 2022 (2022.5) model year, along with minor changes to the Sierra Heavy Duty (HD).

2023 GMC Sierra Quick Facts
Assembly Location GM Flint Assembly in Flint, Michigan, USA and GM Fort Wayne Assembly in Fort Wayne, Indiana, USA
Body Style(s) Light-Duty and Heavy-Duty Pickup Trucks
Layout Front-Engined, Longitudinal
Engine(s) TBD
Transmission(s) 6-Speed Auto, 8-Speed Auto, 10-Speed Auto, Allison 10-Speed Auto
Drive Wheels Rear-Wheel-Drive, Four-Wheel-Drive
Availability U.S.A., Canada, Mexico
Predecessor 2022 GMC Sierra
Successor 2024 GMC Sierra

Changes, Updates, New Features

GMC Sierra 1500

Minor changes following substantial updates as part of mid cycle enhancement / refresh for 2022 model year.

GMC Sierra HD

Substantial updates as part of mid cycle enhancement / refresh for 2023 model year.

Powertrain

The 2023 GMC Sierra is expected to offer the following engine and transmission choices carried over from the 2022 model year:

Class Engine Fuel Aspiration Transmission Horsepower @ RPM Torque @ RPM Axle Ratio
Light Duty 2.7L L3B I4 Gasoline Turbocharged 8-Speed Automatic (MQE) 310 @ 5600 430 @ 1500 3.42
Light Duty 5.3L L84 EcoTec3 V8 Gasoline Atmospheric 2WD 8-Speed Automatic (MQE) / 4WD 10-Speed Automatic (MQB) 355 @ 5600 383 @ 4100 3.42
Light Duty 6.2L L87 EcoTec3 V8 Gasoline Atmospheric 10-Speed Automatic (MQB) 420 @ 5600 460 @ 4100 3.23
Light Duty 3.0L LZ0 Duramax I6 Diesel Turbocharged 10-Speed Automatic (MQB) 305 @ 3750 495 @ 2750 3.23
Heavy Duty 6.6L L8T V8 Gasoline Naturally Aspirated 6-Speed Automatic (MYD) 401 @ 5200 464 @ 4000 3.73
Heavy Duty 6.6L Duramax L5P V8 Diesel Turbocharged 10-Speed Automatic (MGM, MGU) 445 @ 2800 910 @ 1600 3.42
Medium Duty 6.6L Duramax L5D V8 Diesel Turbocharged 6-Speed Automatic 350 @ 2700 700 @ 1600 4.10, 4.30, 4.56, 4.88

Platform

Both the Sierra 1500 and Sierra HD continue to ride on the GM T1 platform:

  • The 2023 Sierra Light Duty continues to ride on the GM T1 platform shared most directly with the Chevy Silverado 1500
  • The 2023 Sierra Heavy Duty continues to ride on a more capable version of the same GM T1 platform shared most directly with the Silverado HD

Production

Production of the 2023 Sierra continues at the following plants:

Sales

See GMC Sierra sales numbers for all markets, including the United States, Canada, Mexico, and South Korea.

Photos

Photo gallery coming soon.

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Discussion

Discuss the 2023 GMC Sierra in our GMC forum.

2023 GMC Sierra Pages

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