Two-seaters · Gasoline · model year 2026
Mercedes-Benz AMG GT vs Toyota GR Supra
For model year 2026, the Toyota GR Supra gets 27 MPG combined and the Mercedes-Benz AMG GT 17: a 10 MPG lead, or 59% on the lower figure.
Side by side
| Measure | Mercedes-Benz AMG GT | Toyota GR Supra |
|---|---|---|
| Combined fuel economy (best version) | 17 MPG | 27 MPG |
| City | 15 MPG | 25 MPG |
| Highway | 21 MPG | 31 MPG |
| Annual fuel cost | $4,850 | $3,050 |
| Tailpipe CO2 | 512 g/mile | 322 g/mile |
| Lowest rated version | 16 MPG | 21 MPG |
| Rated versions | 4 | 3 |
| Rank in class (best combined rating) | 16th of 20 | 4th of 20 |
| Class | Two-seaters | Two-seaters |
| Powertrain | Gasoline | Gasoline |
Better figure in bold; each model's most efficient version.
Fuel economy and cost
Under the file's assumptions the Toyota GR Supra costs about $3,050 a year to fuel and the Mercedes-Benz AMG GT about $4,850: $1,800 a year apart on 15,000 miles.
Where each one ranks
Within their class the Mercedes-Benz AMG GT is tied for 16th of 20 two-seaters, in the bottom quarter. The Toyota GR Supra is 4th of 20 two-seaters, in the top quarter, ahead of 84% of the others.
The Mercedes-Benz AMG GT has 4 rated versions, from 16 to 17 MPG. The Toyota GR Supra has 3, from 21 to 27 MPG. For the most efficient versions, the Mercedes-Benz AMG GT is rated 6 higher on the highway (21 against 15), while the Toyota GR Supra is rated 6 higher on the highway (31 against 25).
The two versions closest in rating are AMG GT 63 4matic Plus: 4.0 L, 8 cyl, Automatic 9-spd, AWD at 17 MPG and GR Supra: 3.0 L, 6 cyl, Manual 6-spd, RWD at 21, 4 MPG apart.
Ratings by model year
Both models are in the data for 6 model years, 2020 to 2026. The Mercedes-Benz AMG GT has the higher best rating in 0 of them and the Toyota GR Supra in 6. The widest gap, 10 MPG, was in 2026, when the Toyota GR Supra led.
| Model year | Mercedes-Benz AMG GT | Toyota GR Supra | Gap |
|---|---|---|---|
| 2026 | 17 | 27 | -10 |
| 2025 | 17 | 27 | -10 |
| 2024 | 17 | 27 | -10 |
| 2023 | 17 | 27 | -10 |
| 2022 | not in data | 28 | n/a |
| 2021 | 18 | 28 | -10 |
| 2020 | 18 | 26 | -8 |
| 2019 | 18 | not in data | n/a |