2025 BMW Z4 M40i vs Porsche 718 Boxster — Side by Side Comparison
How does the 2025 BMW Z4 M40i compare to the Porsche 718 Boxster? We put them side by side using EPA fuel economy data and NHTSA safety ratings.
Specifications Comparison
| Feature | BMW Z4 M40i | Porsche 718 Boxster |
|---|---|---|
| Combined MPG | 25 | 24 |
| City MPG | 23 | 21 |
| Highway MPG | 29 | 27 |
| Body Style | Sports Car | Sports Car |
| Drive | RWD | RWD |
| Fuel Type | Premium | Premium |
| Safety Rating | N/A / 5 | N/A / 5 |
| Recalls | 0 | 0 |
| Trims Available | 2 | 2 |
Fuel Economy
The BMW Z4 M40i is more fuel efficient by 1 MPG combined. Over a year, the BMW Z4 M40i saves approximately $300 in fuel costs.