2023 GMC Sierra
US · Pickup · Standard Pickup Trucks 2WD
The 2023 GMC Sierra is listed in the US market as a pickup. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 2.7L 4-cylinder turbocharged (SIDI; with Sport Mode), 2.7L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged, 5.3L 8-cylinder (SIDI; Municipal), 5.3L 8-cylinder (SIDI; with Sport Mode), 5.3L 8-cylinder (SIDI), 5.3L 8-cylinder (SIDI; FFV), 6.2L 8-cylinder (SIDI), 5.3L 8-cylinder (SIDI; Stop-Start)
- Power
- Not available
- Torque
- Not available
- Transmission
- Automatic
- Drivetrain
- Varies by configuration: RWD, 4WD
- Fuel
- Varies by configuration: Gasoline, Diesel, Flex fuel
- Seating
- Not available
Key Performance & Dimensions
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 2.7L 4-cylinder turbocharged (SIDI; with Sport Mode), 2.7L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged, 5.3L 8-cylinder (SIDI; Municipal), 5.3L 8-cylinder (SIDI; with Sport Mode), 5.3L 8-cylinder (SIDI), 5.3L 8-cylinder (SIDI; FFV), 6.2L 8-cylinder (SIDI), 5.3L 8-cylinder (SIDI; Stop-Start) | |
| Displacement | 2.7 L to 6.2 L | |
| Cylinders | 4 to 8 | |
| Aspiration | Turbocharged | |
| Fuel type | Varies by configuration: Gasoline, Diesel, Flex fuel | EPA fueleconomy.gov |
Not available from our sources: Power, Torque.
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 8 to 10 | |
| Drivetrain | Varies by configuration: RWD, 4WD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 26 mpg (9.0 L/100 km) to 15 mpg (15.7 L/100 km) | EPA fueleconomy.gov |
| City | 24 mpg (9.8 L/100 km) to 14 mpg (16.8 L/100 km) | |
| Highway | 29 mpg (8.1 L/100 km) to 17 mpg (13.8 L/100 km) |
Not available from our sources: Electric range, Battery capacity.
Trims and configurations
24 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
- Sierra 2WD · 2.7L · RWD · 8-speed automatic
- Sierra 2WD · 2.7L · RWD · 8-speed automatic
- Sierra 2WD · 3.0L · RWD · 10-speed automatic · Diesel
- Sierra 2WD · 5.3L · RWD · 10-speed automatic
- Sierra 2WD · 5.3L · RWD · 10-speed automatic
- Sierra 2WD · 5.3L · RWD · 10-speed automatic
- Sierra 2WD · 5.3L · RWD · 10-speed automatic · FFV
- Sierra 4WD · 2.7L · 4WD · 8-speed automatic
- Sierra 4WD · 2.7L · 4WD · 8-speed automatic
- Sierra 4WD · 3.0L · 4WD · 10-speed automatic · Diesel
- Sierra 4WD · 5.3L · 4WD · 10-speed automatic
- Sierra 4WD · 5.3L · 4WD · 10-speed automatic
- Sierra 4WD · 5.3L · 4WD · 10-speed automatic
- Sierra 4WD · 5.3L · 4WD · 10-speed automatic · FFV
- Sierra 4WD · 6.2L · 4WD · 10-speed automatic
- Sierra 4WD AT4X · 6.2L · 4WD · 10-speed automatic
- Sierra Cab Chassis 2WD · 5.3L · RWD · 10-speed automatic
- Sierra Cab Chassis 4WD · 5.3L · 4WD · 10-speed automatic
- Sierra Mud Terrain Tires 4WD · 2.7L · 4WD · 8-speed automatic
- Sierra Mud Terrain Tires 4WD · 3.0L · 4WD · 10-speed automatic · Diesel
- Sierra Mud Terrain Tires 4WD · 5.3L · 4WD · 10-speed automatic
- Sierra Mud Terrain Tires 4WD · 5.3L · 4WD · 10-speed automatic
- Sierra Mud Terrain Tires 4WD · 5.3L · 4WD · 10-speed automatic · FFV
- Sierra Mud Terrain Tires 4WD · 6.2L · 4WD · 10-speed automatic
Recalls
No recall campaigns were found in NHTSA data at the last check. Last checked October 12, 2026.
Data sources
- EPA fueleconomy.gov · retrieved October 11, 2026 · US Government public data
- NHTSA vPIC · retrieved October 11, 2026 · US Government public data
Source checked: October 11, 2026
Data verified: October 11, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Compare
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26 mpg (9.0 L/100 km) to 15 mpg (15.7 L/100 km)
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Frequently asked questions
What engine does the 2023 GMC Sierra have?
Varies by configuration: 2.7L 4-cylinder turbocharged (SIDI; with Sport Mode), 2.7L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged, 5.3L 8-cylinder (SIDI; Municipal), 5.3L 8-cylinder (SIDI; with Sport Mode), 5.3L 8-cylinder (SIDI), 5.3L 8-cylinder (SIDI; FFV), 6.2L 8-cylinder (SIDI), 5.3L 8-cylinder (SIDI; Stop-Start). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2023 GMC Sierra?
Combined fuel economy is 26 mpg (9.0 L/100 km) to 15 mpg (15.7 L/100 km), as published by the source shown in the specification table.
Is the 2023 GMC Sierra front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: RWD, 4WD.
Are there recalls for the 2023 GMC Sierra?
No recall campaigns were found in NHTSA data when we last checked on October 12, 2026. Recall status can change, so confirm with NHTSA or the manufacturer.