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
- GM Fort Wayne plant, Indiana, USA
- GM Silao plant, Guanajuato, Mexico
Heavy-Duty
- GM Flint plant, Michigan, USA
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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