2026 head-to-head · Two-Seater
2026 BMW Z4 vs Mercedes-Benz AMG GT
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2026 BMW Z4 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,116 a year to fuel (28 MPG), versus $3,485 for the 2026 Mercedes-Benz AMG GT (17 MPG). That's roughly $1,369 a year, or about $6,846 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- BMW Z4
- Mercedes-Benz AMG GT
Side by side
| BMW Z4 | Mercedes-Benz AMG GT | |
|---|---|---|
| $2,116 | Your annual fuel cost | $3,485 |
| 28 MPG | Combined efficiency | 17 MPG |
| 25 MPG | City | 15 MPG |
| 33 MPG | Highway | 21 MPG |
| — | Passenger volume | 96 cu ft |
| — | Cargo volume | 13 cu ft |
| 312 g/mi | Tailpipe CO₂ (g/mi) | 512 g/mi |
| 5/10 | EPA fuel economy score | 3/10 |
| 5/10 | EPA greenhouse gas score | 3/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 4.0L 8-cyl turbo |
| 8-speed automatic | Transmission | 9-speed automatic |
| RWD | Drivetrain | AWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
BMW Z4 vs Mercedes-Benz AMG GT across model years
- BMW Z4
- Mercedes-Benz AMG GT
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Among 20 2026 two-seaters, the BMW Z4 ranks 3rd and the Mercedes-Benz AMG GT 17th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 BMW Z4 or the 2026 Mercedes-Benz AMG GT?
Measured by cost to drive, the BMW Z4. The BMW Z4 is rated 28 MPG combined and the Mercedes-Benz AMG GT 17 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 BMW Z4 vs. the Mercedes-Benz AMG GT per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,116 for the BMW Z4 and $3,485 for the Mercedes-Benz AMG GT.
BMW Z4 vs Mercedes-Benz AMG GT in other years
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