2021 BMW i3 with Range Extender vs Mazda 3 4-Door — Side by Side Comparison
How does the 2021 BMW i3 with Range Extender compare to the Mazda 3 4-Door? We put them side by side using EPA fuel economy data and NHTSA safety ratings.
Specifications Comparison
| Feature | BMW i3 with Range Extender | Mazda 3 4-Door |
|---|---|---|
| Combined MPG | 31 | 31 |
| City MPG | 30 | 28 |
| Highway MPG | 31 | 36 |
| Body Style | Compact Sedan | Compact Sedan |
| Drive | RWD | FWD |
| Fuel Type | Premium Gas or Electricity | Regular |
| Safety Rating | N/A / 5 | N/A / 5 |
| Recalls | 0 | 0 |
| Trims Available | 1 | 6 |
Fuel Economy
The Mazda 3 4-Door is more fuel efficient by 0 MPG combined. Over a year, the Mazda 3 4-Door saves approximately $500 in fuel costs.