2025 GMC Sierra
US · Pickup · Standard Pickup Trucks 2WD
The 2025 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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), 2.7L 4-cylinder turbocharged (SIDI; with Sport Mode), 3.0L 6-cylinder turbocharged, 5.3L 8-cylinder (SIDI; with Sport Mode), 5.3L 8-cylinder (SIDI), 2.7L 4-cylinder turbocharged (SIDI; With Sport Mode), 3.0L 6-cylinder turbocharged (with Sport Mode), 5.3L 8-cylinder (SIDI; Municipal), 5.3L 8-cylinder (SIDI; FFV), 6.2L 8-cylinder (SIDI)
- Transmission
- Varies by configuration: Automatic, Single-speed
- Drivetrain
- Varies by configuration: RWD, 4WD
- Fuel
- Varies by configuration: Gasoline, Diesel, Flex fuel, Electric
- Economy
- 15 mpg (15.7 L/100 km) to 26 mpg (9.0 L/100 km) combined
Official photograph of 2026 model sharing this design generation. Primary illustration above depicts verified 2025 GMC Sierra dimensions.
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 2.7L 4-cylinder turbocharged (SIDI), 2.7L 4-cylinder turbocharged (SIDI; with Sport Mode), 3.0L 6-cylinder turbocharged, 5.3L 8-cylinder (SIDI; with Sport Mode), 5.3L 8-cylinder (SIDI), 2.7L 4-cylinder turbocharged (SIDI; With Sport Mode), 3.0L 6-cylinder turbocharged (with Sport Mode), 5.3L 8-cylinder (SIDI; Municipal), 5.3L 8-cylinder (SIDI; FFV), 6.2L 8-cylinder (SIDI) | |
| Displacement | 2.7 L to 6.2 L | |
| Cylinders | 4 to 8 | |
| Aspiration | Turbocharged | |
| Fuel type | Varies by configuration: Gasoline, Diesel, Flex fuel, Electric | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Varies by configuration: Automatic, Single-speed | |
| Gears | 1 to 10 | |
| Drivetrain | Varies by configuration: RWD, 4WD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 15 mpg (15.7 L/100 km) to 26 mpg (9.0 L/100 km) | EPA fueleconomy.gov |
| City | 14 mpg (16.8 L/100 km) to 23 mpg (10.2 L/100 km) | |
| Highway | 16 mpg (14.7 L/100 km) to 29 mpg (8.1 L/100 km) | |
| Electric range | 390 mi (628 km) | EPA fueleconomy.gov |
Our sources do not publish these for this vehicle: Power, Torque, Battery capacity. We leave them out instead of estimating.
Trims and configurations
25 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 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 · 3.0L · 4WD · 10-speed automatic · Diesel
- 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 EV · 4WD · 1-speed single speed · EV
- 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
- 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 November 4, 2026.
Data sources
- EPA fueleconomy.gov · retrieved November 2, 2026 · US Government public data
- NHTSA vPIC · retrieved October 1, 2026 · US Government public data
Source checked: November 2, 2026
Data verified: November 2, 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.
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Frequently asked questions
What engine does the 2025 GMC Sierra have?
Varies by configuration: 2.7L 4-cylinder turbocharged (SIDI), 2.7L 4-cylinder turbocharged (SIDI; with Sport Mode), 3.0L 6-cylinder turbocharged, 5.3L 8-cylinder (SIDI; with Sport Mode), 5.3L 8-cylinder (SIDI), 2.7L 4-cylinder turbocharged (SIDI; With Sport Mode), 3.0L 6-cylinder turbocharged (with Sport Mode), 5.3L 8-cylinder (SIDI; Municipal), 5.3L 8-cylinder (SIDI; FFV), 6.2L 8-cylinder (SIDI). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2025 GMC Sierra?
Combined fuel economy is 15 mpg (15.7 L/100 km) to 26 mpg (9.0 L/100 km), as published by the source shown in the specification table.
What is the electric range of the 2025 GMC Sierra?
390 mi (628 km) of electric range, as listed by our sources.
Is the 2025 GMC Sierra front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: RWD, 4WD.
Are there recalls for the 2025 GMC Sierra?
No recall campaigns were found in NHTSA data when we last checked on November 4, 2026. Recall status can change, so confirm with NHTSA or the manufacturer.