Does the 2026 BMW 3 Series need premium gas?
Yes. Premium.
$232extra a year
- Premium listed for the 330i Sedan RWD.
- All 8 trims list premium.
- Required or only recommended: the data does not say.
- 64% of 55 sedans (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 |
|---|---|---|---|---|---|
| 330i Sedan RWD | 2.0L 4cyl | Premium | 31 | $1,239 | $1,471 |
| 330i NA Sedan RWD | 2.0L 4cyl | Premium | 31 | $1,239 | $1,471 |
| 330i RWD | 2.0L 4cyl | Premium | 31 | $1,239 | $1,471 |
| 330i xDrive AWD | 2.0L 4cyl | Premium | 29 | $1,324 | $1,572 |
| M340i Sedan RWD | 3.0L 6cyl | Premium | 29 | $1,324 | $1,572 |
| M340i NA Sedan RWD | 3.0L 6cyl | Premium | 29 | $1,324 | $1,572 |
| M340i RWD | 3.0L 6cyl | Premium | 29 | $1,324 | $1,572 |
| M340i xDrive AWD | 3.0L 6cyl | Premium | 29 | $1,324 | $1,572 |
Rivals
| Car | Cheapest trim | Grade |
|---|---|---|
| 2026 BMW 3 Series | 330i Sedan RWD | Premium |
| 2026 Lexus ES Hybrid | ES ES 350h Premium AWD | Regular |
| 2026 Honda Civic Type R | FWD | Premium |
| 2026 Cadillac CT5 | Premium Luxury RWD | Premium |
| 2026 Lexus IS | 350 F Sport Design RWD | Premium |
| 2026 Mercedes-Benz C-Class | C 300 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