Photo: GMC Sierra by Ethan Llamas, CC BY-SA 4.0, via Wikimedia Commons. It shows the model, not always this exact version.
GMC · model year 2024
2024 GMC Sierra 4WD AT4X
Pickup · 4-Wheel Drive · Diesel · EPA class: Standard Pickup Trucks 4WD
EPA figures · 2024fueleconomy.gov
19MPG combined
19/20MPG city / highway
$5,050fuel a year
524 g CO₂ per mile 3.0 L 6-cyl turbo Automatic 10-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.
Where it places
Every figure on record
- Combined MPG
- 19 MPG
- City MPG
- 19 MPG
- Highway MPG
- 20 MPG
- Annual fuel cost
- $5,050
- Tailpipe CO₂
- 524 g per mile
- Model year
- 2024
- Body
- Pickup
- EPA size class
- Standard Pickup Trucks 4WD
- Drive
- 4-Wheel Drive
- Engine
- 3.0 L 6-cyl turbo
- Transmission
- Automatic 10-spd
- Fuel
- Diesel
Efficiency
Running cost
The car
Powertrain
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17 MPG · $3,950 fuel a year 2024 GMC Sierra 4WD
18 MPG · $3,700 fuel a year 2024 GMC Sierra 4WD AT4X
15 MPG · $5,500 fuel a year 2024 GMC Sierra Cab Chassis 2WD
15 MPG · $4,450 fuel a year