2021 BMW M3 mpg
Combined mpg, RWD
19mpg
- 16 city, 23 highway.
- 7 mpg below the median of 81 sedans (2021).
12,000 miles a year. Gas $3.20.
| Trim | Engine | Drive | City mpg | Hwy mpg | Combined | Tank, gal | Miles per tank | Cost a year |
|---|---|---|---|---|---|---|---|---|
| RWD | 3.0L 6cyl | RWD | 16 | 23 | 19 | 15.6 | 296 | $2,021 |
| Competition RWD | 3.0L 6cyl | RWD | 16 | 23 | 19 | 15.6 | 296 | $2,021 |
Fuel cost
RWD, 19 mpg combined.
- Per year
- $2,021
- Per month
- $168
- Per mile
- 16.8 cents
- Fill the tank
- $49.92
- Top trim: Competition RWD. $2,021 a year. Same as the RWD.
Trip cost
| Trip | Gallons | Cost |
|---|---|---|
| 100 miles | 4.3 | $13.91 |
| 300 miles | 13.0 | $41.74 |
| 500 miles | 21.7 | $69.57 |
| 1,000 miles | 43.5 | $139 |
Commute cost
- Per month
- $146
- Per year
- $1,752
- Miles a month
- 867
RWD. 20 miles each way, 5 days a week.
Is 19 mpg good? No. Beats 15% of 2026 cars.
MPG by year
Rivals
| Car | Cheapest trim | MPG or range | Compare |
|---|---|---|---|
| 2021 BMW M3 | RWD | 19 mpg | |
| 2021 Mercedes-Benz CLS | 450 RWD | 26 mpg | Compare |
| 2021 Tesla Model S | Long Range Plus AWD | 405 mi range | |
| 2021 Audi A7 | 55 TFSI Premium AWD | 24 mpg | Compare |
| 2021 Maserati Ghibli | RWD | 20 mpg | |
| 2021 Genesis G90 | 3.3T Premium RWD | 19 mpg | |
| 2021 Audi A6 Allroad | 55 TFSI Premium Plus AWD | 22 mpg | Compare |
What this cannot tell you
EPA ratings. Your own mpg will differ.
Gas prices change by state and by week.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree