← all 2013 GMC Terrain FWD trims
2013 GMC Terrain FWD — 3.6L 6-cyl, Automatic 6-spd, FWD
This 2013 GMC Terrain FWD (3.6L 6-cyl, Automatic 6-spd, FWD) takes regular (87-octane) gasoline. REGULAR
20
MPG combined (17 city / 24 hwy)
$3,100
est. fuel cost / year (EPA, 15k mi)
457 g/mi
tailpipe CO₂
Other 2013 GMC Terrain FWD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.4L 4-cyl, Automatic 6-spd, FWD | REGULAR | 26 | $2,400 |
| 2.4L 4-cyl, Automatic 6-spd, FWD | FLEX-FUEL | 26 | $2,400 |
| 3.6L 6-cyl, Automatic 6-spd, FWD | FLEX-FUEL | 20 | $3,100 |
EPA fuel type: Regular · class: Small Sport Utility Vehicle 2WD · retrieved 2026-06-14.