2025 BMW Z4 M40i — 3.0L 6-cyl, S8 automatic, RWD
This 2025 BMW Z4 M40i (3.0L 6-cyl, S8 automatic, RWD) takes premium gasoline. PREMIUM
25
MPG combined (23 city / 29 hwy)
$3,100
est. fuel cost / year (EPA, 15k mi)
346 g/mi
tailpipe CO₂
The EPA lists this trim as premium because that's the fuel the manufacturer specified for its mileage test. Many such engines will run on regular with slightly lower power and MPG — but check your owner's manual to see whether premium is required or just recommended.
Other 2025 BMW Z4 M40i trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.0L 6-cyl, 6-spd manual, RWD | PREMIUM | 22 | $3,500 |
EPA fuel type: Premium · class: Two Seaters · retrieved 2026-06-14.