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2015 GMC Terrain MPG

EPA-rated · verified snapshot 2026-08-30 · Small Sport Utility Vehicle 2WD

The 2015 GMC Terrain gets 26 MPG combined — 22 city and 31 highway — in its most efficient configuration (2.4L · 4-cyl · Automatic 6-spd · Front-Wheel Drive · FFV).

26COMBINED MPG
City22 MPG
Highway31 MPG
$2,350Fuel cost / yr (EPA est.)
347 g/miCO₂
Gasoline or E85Fuel
$-7505-yr fuel cost vs. average vehicle
6 / 10EPA Fuel Economy & GHG score
28 ft³Cargo volume
100 ft³Passenger volume
Where it sits among compact suvs (2015)

Every 2015 Terrain trim

ConfigurationCityHwyComb.$/yr
2.4L · 4-cyl · Automatic 6-spd · Front-Wheel Drive · FFV223126$2,350
2.4L · 4-cyl · Automatic 6-spd · Front-Wheel Drive223126$2,350
2.4L · 4-cyl · Automatic 6-spd · All-Wheel Drive202823$2,650
3.6L · 6-cyl · Automatic 6-spd · Front-Wheel Drive172419$3,250
3.6L · 6-cyl · Automatic 6-spd · All-Wheel Drive162319$3,250

FAQ

Where does the 2015 Terrain rank among compact suvs for MPG?
The 2015 Terrain's 26 MPG combined is above the compact suvs average of 23.3 MPG for 2015.
How much does it cost to fuel a 2015 Terrain per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,350 for the most efficient trim.
What is the city and highway MPG of the 2015 Terrain?
The most efficient trim is rated 22 MPG city and 31 MPG highway.