2018 GMC Sierra Fuel Economy

Detailed efficiency, storage, and annual ownership-cost context for this vehicle.

19
City MPG
29
Highway MPG
23.5
Combined MPG

Annual Fuel Costs

Estimated Annual Cost: $2332

Fuel Type: Regular

Fuel tank: 16.1 gallons

Estimated Range: ~346 miles

Environmental Impact

CO2 Emissions: 252 g/mile

Green Score: 6/10