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2024 GMC Sierra

The 2024 GMC Sierra brought small rolling model year changes to the Sierra 1500 following the refresh for the 2022 (2022.5) model year. Meanwhile, the Sierra HD – comprised of the Sierra 2500 HD and Sierra 3500 HD – received a midcycle refresh for the 2024 model year, including a new front end, a new interior, powertrain updates, and two new trims – Sierra HD Denali Ultimate and Sierra HD AT4X.

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 2023 GMC Sierra
Successor 2025 GMC Sierra

Model Line

The 2024 GMC Sierra was offered as a full-size truck across two models – Light-Duty (1500) and Heavy Duty (2500 HD and 3500 HD).

Each model was available in either 2WD or 4WD in various cab and bed configurations.

Light-Duty

Trim

  • Pro
  • SLE
  • Elevation
  • SLT
  • AT4
  • AT4X
  • Denali
  • Denali Ultimate

Configuration

  • Short Bed Crew Cab (TC10543, TK10543)
  • Standard Bed Crew Cab (TC10743, TK10743)
  • Standard Bed Double Cab (TC10753, TK10753)
  • Standard Bed Regular Cab (TC10703, TK10703)
  • Long Bed Regular Cab (TC10903, TK10903)

Heavy-Duty

Trim

  • Pro
  • SLE
  • SLT
  • AT4
  • AT4X
  • Denali
  • Denali Ultimate

Configuration

  • Standard Bed Crew Cab (TC20743, TK20743, TC30743, TK30743)
  • Long Bed Crew Cab (TC20943, TK20943, TC30943, TK30943)
  • Standard Bed Double Cab (TC20753, TK20753, TC30753, TK30753)
  • Long Bed Double Cab (TC20953, TK20953, TC30953, TK30953)
  • Long Bed Regular Cab (TC20903, TK20903, TC30903, TK30903)

Chassis-Cab

Trim

  • Pro
  • SLE

Configuration

  • 2WD Crew Cab Dual Rear wheel (60″ CA) (TC31043)
  • 4WD Crew Cab Dual Rear Wheel (60″ CA) (TK31043)
  • 2WD Regular Cab Dual Rear Wheel (60″ CA) (TC31003)
  • 4WD Regular Cab Dual Rear Wheel (60″ CA) (TK31003)
  • 2WD Regular Cab Dual Rear Wheel (84″ CA) (TC31403)
  • 4WD Regular Cab Dual Rear Wheel (84″ CA) (TK31403)

Product codes that begin with (TC) represent RWD while (TK) represents 4WD.

Changes, Updates, New Features

(Links coming soon)

  • Sierra 1500: carry-over model with minor changes
    • See 2024 Sierra 1500 changes, updates
  • Sierra 2500 HD: mid-cycle refresh, gains Denali Ultimate and AT4X trims
    • See 2024 Sierra 2500 HD changes, updates
  • Sierra 3500 HD: mid-cycle refresh, gains Denali Ultimate trim
    • See 2024 Sierra 3500 HD changes, updates
  • Sierra 3500 HD CC: mid-cycle refresh
    • See 2024 Sierra HD CC changes, updates

Powertrain

The 2024 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 (MFC) 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

Production

The 2024 Sierra was produced across the following three plants:

Light-Duty

Heavy-Duty

Platform

The 2024 Sierra Light Duty models continued to ride on the GM T1 platform shared most directly with the 2024 Chevy Silverado 1500. Meanwhile, the 2024 Sierra Heavy Duty continues to ride on a heavy duty specific version of the same GM T1 platform shared most directly with the 2024 Silverado HD.

Seating

The 2024 Sierra was offered across three seating configurations, seating either three, five or six passengers.

  • Three-passenger configuration: this setup features a front 40/20/40 split bench seat (providing seating for three)
    • Exclusive to Regular Cab models
  • Five-passenger configuration (2-3): this setup features bucket seats in the front row (providing seating for two), along with a 60/40 bench seat in the second row (seating three), resulting in a 2-3 seating configuration
  • Six-passenger configuration: this setup features a 40/20/40 split bench seat in the front row (providing seating for three), along with a 60/40 bench seat in the second row (seating three), resulting in a 3-3 seating configuration

Sales

See GMC Sierra sales numbers for global markets.

Discussion

Discuss the 2024 GMC Sierra in our GMC forum.

Photos

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2024 GMC Sierra Pages

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