Does the 2026 Ford Mustang need premium gas?
Yes. Premium.
$277extra a year
- Premium listed for the EcoBoost Fastback RWD.
- All 11 trims list premium.
- Required or only recommended: the data does not say.
- 90% of 29 coupes (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 |
|---|---|---|---|---|---|
| EcoBoost Fastback RWD | 2.3L 4cyl | Premium | 26 | $1,477 | $1,754 |
| EcoBoost Premium Fastback RWD | 2.3L 4cyl | Premium | 26 | $1,477 | $1,754 |
| EcoBoost RWD | 2.3L 4cyl | Premium | 26 | $1,477 | $1,754 |
| EcoBoost Premium RWD | 2.3L 4cyl | Premium | 26 | $1,477 | $1,754 |
| GT RWD | 5.0L 8cyl | Premium | 18 | $2,133 | $2,533 |
| GT Fastback RWD | 5.0L 8cyl | Premium | 18 | $2,133 | $2,533 |
| GT Premium Fastback RWD | 5.0L 8cyl | Premium | 18 | $2,133 | $2,533 |
| GT Premium RWD | 5.0L 8cyl | Premium | 18 | $2,133 | $2,533 |
| Dark Horse Fastback RWD | 5.0L 8cyl | Premium | 17 | $2,259 | $2,682 |
| Dark Horse RWD | 5.0L 8cyl | Premium | 17 | $2,259 | $2,682 |
| Dark Horse SC RWD | 5.2L 8cyl | Premium | 12 | $3,200 | $3,800 |
Rivals
| Car | Cheapest trim | Grade |
|---|---|---|
| 2026 Ford Mustang | EcoBoost Fastback RWD | Premium |
| 2026 Ford Bronco | Base Style 4WD | Premium |
| 2026 Toyota GR86 | RWD | Premium |
| 2026 Subaru BRZ | Limited RWD | 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