MPG

2020 GMC Terrain gas mileage or MPG ranges from 23 mpg to 33 mpg. Available 2020 GMC Terrain fuel types include Diesel, Gasoline

Trim Style City MPG Highway MPG Combined MPG Fuel Type
SL FWD SL 22 28 25 Gasoline (Gasoline Fuel)
SLE FWD SLE 26 30 28 Gasoline (Gasoline Fuel)
SLE Diesel FWD SLE Diesel 28 39 33 Diesel (Diesel Fuel)
SLT FWD SLT 22 30 26 Gasoline (Gasoline Fuel)
SLT Diesel FWD SLT Diesel 28 39 33 Diesel (Diesel Fuel)
Denali FWD Denali 22 28 25 Gasoline (Gasoline Fuel)
SLE AWD SLE 25 26 25 Gasoline (Gasoline Fuel)
SLT AWD SLT 25 28 26 Gasoline (Gasoline Fuel)
Denali AWD Denali 21 26 23 Gasoline (Gasoline Fuel)

Compare GMC Terrain mpg with other cars in the same category

To provide context to the mpg for 2020 GMC Terrain and enable you to compare the 2020 GMC Terrain mpg with other vehicles, we have crunched the numbers to show you the mpg range and average mpg for each car category that the 2020 GMC Terrain belongs in.

Category Avg City MPG Avg Highway MPG Avg Combined MPG Min Combined MPG Max Combined MPG
GMC Terrain 17 24 20 20 20
SUV 17 23 19 12 32
4-Cylinder SUV 21 27 23 19 32
5-Passenger SUV 18 25 21 13 32
AWD SUV 17 23 19 13 29
Diesel SUV 18 26 21 19 22
FWD SUV 20 26 22 19 32
Gasoline SUV 18 24 20 12 27
GMC SUV 16 22 18 12 21
GMC Terrain 17 24 20 20 20
Midsize SUV 17 24 20 13 30