2018 GMC Terrain
Small Sport Utility Vehicle 2WD · Front-Wheel Drive · Diesel
32
Combined MPG
28
City MPG
39
Highway MPG
—
Safety Rating
📊 Key Statistics — 2018 GMC Terrain
- Combined fuel economy: 32 MPG (28 city / 39 highway)
- Annual fuel cost: $2,550
- CO₂ emissions: 319 grams/mile
Specifications
| Make | GMC · Company Profile |
| Model | Terrain |
| Year | 2018 |
| Class | Small Sport Utility Vehicle 2WD |
| Drive | Front-Wheel Drive |
| Transmission | Automatic 6-spd |
| Fuel Type | Diesel |
| Cylinders | 4 |
| Engine Size | 1.6L |
EPA Scores
| Fuel Economy Score | 7/10 |
| Greenhouse Gas Score | 6/10 |
| You Save/Spend vs Average | $-2,000 over 5 years |
Annual Fuel Cost
| Annual Fuel Cost (15K mi, $3.50/gal) | $1641 |
| Monthly Fuel Cost | $137 |
| Cost per Mile (fuel only) | $11¢ |
Based on 15,000 miles/year and $3.50/gallon national average.
Compare This Car
GMC Terrain — MPG by Year
| Year | MPG | |
|---|---|---|
| 2026 | 27 | ↓ |
| 2025 | 27 | ↓ |
| 2024 | 26 | ↓ |
| 2023 | 26 | ↓ |
| 2022 | 27 | ↓ |
| 2021 | 27 | ↓ |
| 2020 | 27 | ↓ |
| 2019 | 32 | = |
| 2017 | 25 | ↓ |
| 2016 | 26 | ↓ |
Similar 2018 Small Sport Utility Vehicle 2WD
- BYD e6 — 72 MPG
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- Honda CR-V — 30 MPG
- Buick Encore — 30 MPG
- Mazda CX-5 — 29 MPG
- Fiat 500 X — 28 MPG