2026 BMW Z4 M40i vs 2026 BMW Z4 sDrive30i
| EPA figure | 2026 BMW Z4 M40i | 2026 BMW Z4 sDrive30i |
|---|---|---|
| Model year | 2026 | 2026 |
| Body · drive | Two Seaters · Rear-Wheel Drive · Gas | Two Seaters · Rear-Wheel Drive · Gas |
| Combined MPG | 25 | 28 |
| City / highway MPG | 23 / 29 | 25 / 33 |
| Fuel a year | $3,300 | $2,950 |
| Tailpipe CO₂ (g/mi) | 346 | 312 |
| Engine | 3.0 L 6-cyl turbo | 2.0 L 4-cyl turbo |
| Transmission | Automatic (S8) | Automatic (S8) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.