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2025 GMC Sierra

The 2025 GMC Sierra brings small rolling model year changes to the Sierra 1500 model (following the refresh for the 2022 (2022.5) model year) and the 2025 Sierra HD – comprised of the Sierra 2500 HD and Sierra 3500 HD – which received a midcycle refresh for the 2024 model year.

Quick Facts

Sierra 1500 Sierra HD
Assembly location(s) GM Fort Wayne Assembly in Fort Wayne, Indiana, USA and GM Silao Assembly in Silao, Mexico GM Flint Assembly in Flint, Michigan, USA
Type Light-duty full-size pickup truck or chassis cab Heavy-duty full-size pickup truck or chassis cab
Layout Front-Engined, Longitudinal Front-Engined, Longitudinal
Engine(s) Turbo 2.7L L3B I4 Gasoline, 5.3L L84 EcoTec3 V8 Gasoline, 6.2L L87 EcoTec3 V8 Gasoline, Turbo-Diesel 3.0L LZ0 Duramax I6 6.6L L8T V8 Gasoline, 6.6L L5P V8 Duramax Diesel
Transmission(s) 8-Speed Auto, 10-Speed Auto 10-Speed Auto, 10-Speed Auto Allison
Drive wheels Rear-Wheel-Drive, Four-Wheel-Drive Rear-Wheel-Drive, Four-Wheel-Drive
Availability U.S.A., Canada, Mexico, Middle East, South Korea U.S.A., Canada, Mexico, Middle East
Predecessor 2024 GMC Sierra
Successor 2026 GMC Sierra

Changes, Updates, New Features

  • Sierra 1500: carry-over model with minor changes
  • Sierra HD: carry-over model with minor changes

Model Line

This section coming soon.

2025 GMC Sierra 1500

Minor changes following substantial updates as part of mid cycle enhancement / refresh for 2022/2022.5 model year.

2025 GMC Sierra HD

Minor changes following substantial updates as part of mid cycle enhancement / refresh for 2024 model year.

Powertrain

The 2025 GMC Sierra offers the following engine and transmission choices.

Class Engine Fuel Aspiration Transmission Horsepower @ RPM Torque @ RPM Axle Ratio
Sierra 1500 2.7L L3B I4 Gasoline Turbocharged 8-Speed Automatic (MQE) 310 @ 5600 430 @ 1500 3.42
Sierra 1500 5.3L L84 EcoTec3 V8 Gasoline Atmospheric 2WD 8-Speed Automatic (MQE) / 4WD 10-Speed Automatic (MQB) 355 @ 5600 383 @ 4100 3.42
Sierra 1500 6.2L L87 EcoTec3 V8 Gasoline Atmospheric 10-Speed Automatic (MQB) 420 @ 5600 460 @ 4100 3.23
Sierra 1500 3.0L LZ0 Duramax I6 Diesel Turbocharged 10-Speed Automatic (MQB) 305 @ 3750 495 @ 2750 3.23
Sierra HD 6.6L L8T V8 Gasoline Naturally Aspirated 10-Speed Automatic (MKM) 401 @ 5200 464 @ 4000 3.73
Sierra HD 6.6L Duramax L5P V8 Diesel Turbocharged 10-Speed Automatic (MGM, MGU) 470 @ 2800 975 @ 1600 3.42

Platform

The 2025 Sierra Light Duty models continue to ride on the GM T1 platform shared most directly with the 2025 Chevy Silverado 1500. Meanwhile, the 2025 Sierra Heavy Duty continues to ride on a more capable version of the same GM T1 platform shared most directly with the 2025 Silverado HD.

Production

Production of the 2025 Sierra takes place at the following facilities:

Sales

See GMC Sierra sales numbers for global markets.

Discussion

Discuss the 2025 GMC Sierra in our GMC forum.

Photos

Gallery coming soon.

Gallery coming soon.

2025 GMC Sierra Pages

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