Does the 2026 Mercedes-Benz GLC need premium gas?
Yes. Premium.
$267extra a year
- Premium listed for the 300 RWD.
- All 3 trims list premium.
- Required or only recommended: the data does not say.
- 52% of 138 SUVs (2026) list premium.
12,000 miles a year. Gas $3.20. Premium $0.60 more.
| Trim | Engine | Grade | Mpg | Regular, a year | Premium, a year |
|---|---|---|---|---|---|
| 300 RWD | 2.0L 4cyl | Premium | 27 | $1,422 | $1,689 |
| GLC 300 4MATIC AWD | 2.0L 4cyl | Premium | 26 | $1,477 | $1,754 |
| GLC 350e 4MATIC AWD | 2.0L 4cyl | Premium | 25 | $1,536 | $1,824 |
Rivals
| Car | Cheapest trim | Grade |
|---|---|---|
| 2026 Mercedes-Benz GLC | 300 RWD | Premium |
| 2026 Volvo XC60 | B5 Core AWD | Premium |
| 2026 Land Rover Discovery Sport | Landmark AWD | Premium |
| 2026 Land Rover Range Rover Evoque | Core S AWD | Premium |
| 2026 Alfa Romeo Stelvio | AWD | Premium |
| 2026 Genesis GV70 | 2.5T AWD | Premium |
What this cannot tell you
Check the fuel door or manual before you fill.
Gas prices and the premium gap change by state.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree