2018 GMC Terrain AWD
1.6L 4-cyl · 6-speed automatic · AWD
Official EPA record #39315 from FuelEconomy.gov · data 2026-07-26 · every assumption below is yours to edit. How this is computed
Per month
$161.52
Per year
$1,938
Per mile
16.2¢/mi
5-year total
$9,690
Your own average replaces the EPA laboratory values — never averaged together with them — and the driving-mix setting stops applying, because a figure you measured already contains your own mix.
Notes & official EPA estimate
Official FuelEconomy.gov estimate: $2,450/year — assumes 15,000 miles/year and EPA price assumptions. The figures above use your inputs instead.
GMC Terrain: running costs for every model year →
Official EPA efficiency
| Measure | Value |
|---|---|
| City MPG | 28 |
| Highway MPG | 38 |
| Combined MPG | 32 |
Official EPA estimates
| Estimate | Value |
|---|---|
| Official annual fuel cost (15,000 mi/yr) | $2,450/yr |
| Tailpipe CO₂ | 319 g/mi |
| EPA greenhouse gas score | 6/10 |
| EPA smog rating (Federal Tier 3 Bin 125) | 3/10 |
Source: U.S. EPA / DOE FuelEconomy.gov, vehicle record #39315 (record updated 2017-10-23). Snapshot processed 2026-07-26; page data last changed 2017-10-23.
View this record on FuelEconomy.gov — includes owner-shared real-world MPG for this vehicle.
Related configurations
Same year, same family
Adjacent model years
- Terrain FWD · 2.0L 4-cyl · 9-speed automatic · FWD2019
- Terrain FWD · 1.5L 4-cyl · 9-speed automatic · FWD2019
- Terrain AWD · 1.5L 4-cyl · 9-speed automatic · AWD2019
- Terrain AWD · 2.0L 4-cyl · 9-speed automatic · AWD2019
- Terrain AWD · 1.6L 4-cyl · 6-speed automatic · AWD2019
- Terrain FWD · 1.6L 4-cyl · 6-speed automatic · FWD2019
- Terrain AWD · 2.4L 4-cyl · 6-speed automatic · AWD2017
- Terrain FWD · 2.4L 4-cyl · 6-speed automatic · FWD2017