2020 GMC Terrain range per tank
Combined range, SL FWD
402 miles per tank
- Tank
- 14.9 gal
- 27 mpg combined
- Highway range
- 447 miles
- City range
- 387 miles
- Fill-up
- $64.82
- Every trim
- 358 to 406 miles
- 7 of 9 trims rated
- Vs class median
- 18 miles below
- 128 SUVs (2020)
Gas $4.35 (EIA, week of Oct 5, 2026).
Miles per tank by trim
Source marks: two or more sources agreeone source
| Trim | Engine | Tank, gal | City mpg | Hwy mpg | Combined mpg | City, mi | Hwy, mi | Combined, mi | Fill-up |
|---|---|---|---|---|---|---|---|---|---|
| SLE AWD | 1.5L | 15.6 | 25 | 28 | 26 | 390 | 437 | 406 | $67.86 |
| SLT AWD | 1.5L | 15.6 | 25 | 28 | 26 | 390 | 437 | 406 | $67.86 |
| SL FWD | 1.5L 4cyl | 14.9 | 26 | 30 | 27 | 387 | 447 | 402 | $64.82 |
| SLE FWD | 1.5L 4cyl | 14.9 | 26 | 30 | 27 | 387 | 447 | 402 | $64.82 |
| SLT FWD | 1.5L 4cyl | 14.9 | 26 | 30 | 27 | 387 | 447 | 402 | $64.82 |
| Denali AWD | 2.0L 4cyl | 15.6 | 21 | 26 | 23 | 328 | 406 | 359 | $67.86 |
| Denali FWD | 2.0L | 14.9 | 22 | 28 | 24 | 328 | 417 | 358 | $64.82 |
Rivals
| Car | Cheapest trim | Range |
|---|---|---|
| 2020 GMC Terrain | SL FWD | 402 miles per tank |
| 2020 Chevrolet Equinox | L FWD | 417 miles per tank |
| 2020 Volkswagen Tiguan | S FWD | 383 miles per tank |
| 2020 Mitsubishi Outlander | ES 2WD | 448 miles per tank |
| 2020 Ford Escape | S FWD | 441 miles per tank |
| 2020 Honda CR-V | LX 2WD | 420 miles per tank |
| 2020 Mazda CX-5 | Sport FWD | 414 miles per tank |
What this cannot tell you
EPA ratings. Real range differs.
Tank size from maker specs. Usable volume is less.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ
Gas price: U.S. Energy Information Administration, U.S. regular, week of Oct 5, 2026. EIA weekly prices