Standard SUVs · Gasoline · model year 2026
Aston Martin DBX 727 vs Toyota Grand Highlander
The Toyota Grand Highlander is rated 8 MPG higher than the Aston Martin DBX 727 in model year 2026, 24 against 16 combined, which is 50% more distance from the same energy.
Side by side
| Measure | Aston Martin DBX 727 | Toyota Grand Highlander |
|---|---|---|
| Combined fuel economy (best version) | 16 MPG | 24 MPG |
| City | 14 MPG | 21 MPG |
| Highway | 19 MPG | 28 MPG |
| Annual fuel cost | $5,150 | $2,800 |
| Tailpipe CO2 | 546 g/mile | 371 g/mile |
| Lowest rated version | 16 MPG | 22 MPG |
| Rated versions | 1 | 4 |
| Rank in class (best combined rating) | 84th of 90 | 30th of 90 |
| Class | Standard SUVs | Standard SUVs |
| Powertrain | Gasoline | Gasoline |
Better figure in bold; each model's most efficient version.
Fuel economy and cost
The two use different fuels (premium gasoline and regular gasoline), so the price per unit differs. Under the file's assumptions the Toyota Grand Highlander costs about $2,800 a year and the Aston Martin DBX 727 about $5,150, a difference of $2,350.
Where each one ranks
Within their class the Aston Martin DBX 727 is tied for 84th of 90 standard SUVs, in the bottom quarter. The Toyota Grand Highlander is tied for 30th of 90 standard SUVs, in the upper half.
The Aston Martin DBX 727 has 1 rated version, from 16 to 16 MPG. The Toyota Grand Highlander has 4, from 22 to 24 MPG. For the most efficient versions, the Aston Martin DBX 727 is rated 5 higher on the highway (19 against 14), while the Toyota Grand Highlander is rated 7 higher on the highway (28 against 21).
The two versions closest in rating are DBX 727: 4.0 L, 8 cyl, Automatic 9-spd, 4WD at 16 MPG and Grand Highlander AWD Limited/Platinum: 2.4 L, 4 cyl, Automatic (S8), AWD at 22, 6 MPG apart.
Ratings by model year
Only model year 2026 is rated for both, so there is no trend to compare.
| Model year | Aston Martin DBX 727 | Toyota Grand Highlander | Gap |
|---|---|---|---|
| 2026 | 16 | 24 | -8 |
| 2025 | not in data | 24 | n/a |
| 2024 | not in data | 24 | n/a |