2017 GMC Terrain MPG
EPA-rated · verified snapshot 2026-08-30 · Small Sport Utility Vehicle 2WD
The 2017 GMC Terrain gets 25 MPG combined — 21 city and 31 highway — in its most efficient configuration (2.4L · 4-cyl · Automatic 6-spd · Front-Wheel Drive).
City21 MPG
Highway31 MPG
$2,450Fuel cost / yr (EPA est.)
355 g/miCO₂
RegularFuel
$-1,2505-yr fuel cost vs. average vehicle
5 / 10EPA Fuel Economy & GHG score
28 ft³Cargo volume
100 ft³Passenger volume
Where it sits among compact suvs (2017)
Compared with the 2016 model, the 2017 Terrain is -1 MPG worse at its best.
Every 2017 Terrain trim
| Configuration | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|
| 2.4L · 4-cyl · Automatic 6-spd · Front-Wheel Drive | 21 | 31 | 25 | $2,450 |
| 2.4L · 4-cyl · Automatic 6-spd · Front-Wheel Drive · FFV | 21 | 31 | 25 | $2,450 |
| 2.4L · 4-cyl · Automatic 6-spd · All-Wheel Drive | 20 | 28 | 23 | $2,650 |
| 3.6L · 6-cyl · Automatic 6-spd · Front-Wheel Drive | 17 | 24 | 20 | $3,100 |
| 3.6L · 6-cyl · Automatic 6-spd · All-Wheel Drive | 16 | 23 | 18 | $3,400 |
FAQ
Where does the 2017 Terrain rank among compact suvs for MPG?
The 2017 Terrain's 25 MPG combined is above the compact suvs average of 23.8 MPG for 2017.
How much does it cost to fuel a 2017 Terrain per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,450 for the most efficient trim.
What is the city and highway MPG of the 2017 Terrain?
The most efficient trim is rated 21 MPG city and 31 MPG highway.