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 2026
2026 GMC Sierra 2WD with Sport Mode
Pickup · Rear-Wheel Drive · Gas · EPA class: Standard Pickup Trucks 2WD
EPA figures · 2026fueleconomy.gov
18MPG combined
16/21MPG city / highway
$3,700fuel a year
495 g CO₂ per mile 5.3 L 8-cyl 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
Against fuel-efficient pickup trucks
Chart average 19 MPGBest 38 MPG
Lowest on the chart $1,750Chart average $3,736
Every figure on record
- Combined MPG
- 18 MPG
- City MPG
- 16 MPG
- Highway MPG
- 21 MPG
- Annual fuel cost
- $3,700
- Tailpipe CO₂
- 495 g per mile
- Model year
- 2026
- Body
- Pickup
- EPA size class
- Standard Pickup Trucks 2WD
- Drive
- Rear-Wheel Drive
- Engine
- 5.3 L 8-cyl
- Transmission
- Automatic 10-spd
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
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