Aston Martin DBX MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Aston Martin DBX model year from 2021 to 2026 — each engine and transmission with its official city, highway and combined figures. Over these years the DBX has been offered with 4.0L 8-cyl engines; the most efficient version is the 2026 (up to 17 MPG combined). Every rated gas version calls for premium gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
Aston Martin DBX fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2026 | 16–17 MPG | 4.0L 8-cyl | $56,450 | 6 listings |
| 2025 | 17 MPG | 4.0L 8-cyl | — | — |
| 2024 | 16–17 MPG | 4.0L 8-cyl | — | — |
| 2023 | 16–17 MPG | 4.0L 8-cyl | $153,900 | 19 listings |
| 2022 | 16 MPG | 4.0L 8-cyl | $101,895 | 6 listings |
| 2021 | 15 MPG | 4.0L 8-cyl | $94,409 | 45 listings |
2026 Aston Martin DBX: engines & MPG
The 2026 DBX was EPA-rated in 2 versions (4.0L 8-cyl), with combined economy from 16 to 17 MPG. Used 2026 models currently list for a median of $56,450 on VehiSales (6 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| DBX 707 | 4.0L 8-cyl | Automatic 9-spd | Premium | 15 | 20 | 17 MPG |
| DBX 727 | 4.0L 8-cyl | Automatic 9-spd | Premium | 14 | 19 | 16 MPG |
2025 Aston Martin DBX: engines & MPG
The 2025 DBX was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 17 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| DBX 707 | 4.0L 8-cyl | Automatic 9-spd | Premium | 15 | 20 | 17 MPG |
2024 Aston Martin DBX: engines & MPG
The 2024 DBX was EPA-rated in 2 versions (4.0L 8-cyl), with combined economy from 16 to 17 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| DBX 707 | 4.0L 8-cyl | Automatic 9-spd | Premium | 15 | 20 | 17 MPG |
| DBX V8 | 4.0L 8-cyl | Automatic 9-spd | Premium | 14 | 20 | 16 MPG |
2023 Aston Martin DBX: engines & MPG
The 2023 DBX was EPA-rated in 2 versions (4.0L 8-cyl), with combined economy from 16 to 17 MPG. Used 2023 models currently list for a median of $153,900 on VehiSales (19 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| DBX 707 | 4.0L 8-cyl | Automatic 9-spd | Premium | 15 | 20 | 17 MPG |
| DBX V8 | 4.0L 8-cyl | Automatic 9-spd | Premium | 14 | 20 | 16 MPG |
2022 Aston Martin DBX: engines & MPG
The 2022 DBX was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 16 MPG. Used 2022 models currently list for a median of $101,895 on VehiSales (6 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| DBX V8 | 4.0L 8-cyl | Automatic 9-spd | Premium | 14 | 20 | 16 MPG |
2021 Aston Martin DBX: engines & MPG
The 2021 DBX was EPA-rated in 1 version (4.0L 8-cyl), with combined economy of 15 MPG. Used 2021 models currently list for a median of $94,409 on VehiSales (45 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| DBX V8 | 4.0L 8-cyl | Automatic 9-spd | Premium | 14 | 18 | 15 MPG |
Frequently asked questions
What MPG does an Aston Martin DBX get?
Depending on year and engine, EPA combined ratings for the DBX range from 15 to 17 MPG. The most efficient rated version is the 2026 model year.
What engines does the 2026 Aston Martin DBX have?
The 2026 DBX was EPA-rated with 4.0L 8-cyl engines — see the 2026 table above for each version's exact city/highway figures.
Does the Aston Martin DBX require premium gas?
Yes — every EPA-rated gas DBX version specifies premium gasoline.
https://vehisales.com/research/fuel-economy/aston-martin/dbx.
See also: Aston Martin DBX hub — live listings, prices & reliability · Used Aston Martin DBX prices by year · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].