Does the 2021 BMW 3 Series need premium gas?
Yes. Premium.
$240extra a year
- Premium listed for the 330i RWD.
- All 9 trims list premium.
- Required or only recommended: the data does not say.
- 60% of 75 sedans (2021) 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 RWD | 2.0L 4cyl | Premium | 30 | $1,280 | $1,520 |
| 330i Sedan North America RWD | 2.0L 4cyl | Premium | 30 | $1,280 | $1,520 |
| 330i xDrive AWD | 2.0L 4cyl | Premium | 28 | $1,371 | $1,629 |
| 330i xDrive Sedan North America | 2.0L | Premium | 28 | $1,371 | $1,629 |
| 330e RWD | 2.0L 4cyl | Premium | 28 | $1,371 | $1,629 |
| 330e xDrive AWD | 2.0L 4cyl | Premium | 25 | $1,536 | $1,824 |
| M340i RWD | 3.0L 6cyl | Premium | 25 | $1,536 | $1,824 |
| M340i Sedan North America RWD | 3.0L 6cyl | Premium | 25 | $1,536 | $1,824 |
| M340i xDrive AWD | 3.0L 6cyl | Premium | 25 | $1,536 | $1,824 |
Rivals
| Car | Cheapest trim | Grade |
|---|---|---|
| 2021 BMW 3 Series | 330i RWD | Premium |
| 2021 Alfa Romeo Giulia | RWD | Premium |
| 2021 Lexus ES | 350 FWD | Regular |
| 2021 Mercedes-Benz E-Class All Terrain | E-Class E 350 RWD | Premium |
| 2021 Audi A4 | 40 TFSI Premium AWD | Regular |
| 2021 Lexus IS | 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