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 4WD
Pickup · 4-Wheel Drive · Gas · EPA class: Standard Pickup Trucks 4WD
EPA figures · 2026fueleconomy.gov
18MPG combined
17/20MPG city / highway
$3,700fuel a year
491 g CO₂ per mile 2.7 L 4-cyl turbo Automatic 8-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.
Where it places
- 62 Fuel-efficient pickup trucks
Ordered by combined MPG #62 of 103 - 412 2026 cars and trucks
Every car of that year, A to Z #412 of 1,172 - 1069 Fuel-efficient AWD and 4WD cars
Ordered by combined MPG #1069 of 1,362 - 1345 Gas and hybrid cars by fuel cost
Ordered by fuel a year #1345 of 2,158 - 30 GMC cars
Every model year, newest first #30 of 2,900
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
- 17 MPG
- Highway MPG
- 20 MPG
- Annual fuel cost
- $3,700
- Tailpipe CO₂
- 491 g per mile
- Model year
- 2026
- Body
- Pickup
- EPA size class
- Standard Pickup Trucks 4WD
- Drive
- 4-Wheel Drive
- Engine
- 2.7 L 4-cyl turbo
- Transmission
- Automatic 8-spd
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain