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2023 Aston Martin DBX 707
Shown: 2023 Aston Martin DBX 707. Photo: Mr.choppers, CC BY-SA 3.0, via Wikimedia Commons
  • Gas
  • Standard SUVs
  • MY2021–2024

Aston Martin DBX V8 MPG & Fuel Cost by Year

4 model years · 2021–2024

16 MPG
Combined
14 MPG
City
20 MPG
Highway
Annual cost · MY2024 DBX V8 4.0L 8-cyl turbo 4WD
$4,980

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

All Aston Martin models

Aston Martin DBX V8 fuel economy at a glance

EPA has rated the Aston Martin DBX V8 for 4 model years, 2021 to 2024. Across those years its combined rating runs 15–16 MPG. The latest model year, 2024, has 1 configuration rated 16 MPG combined and costing $4,980 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2021 is the 2024 DBX V8 4.0L 8-cyl turbo 4WD, at 16 MPG.

Aston Martin DBX V8 MPG by year

1416 20212024 Gas 1416 20212024 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Aston Martin DBX V8: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2021-2024 Generation page
2024 16 $4,980
2023 16 $4,980
2022 16 $4,980
2021 15 $5,200

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Aston Martin DBX V8 generations

1 generations between 2021 and 2024. Open one for the table of every model year and configuration.

2024 powertrain options

Gas · 4.0L
Combined
16 MPG
Per year
$4,980
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · premium gasoline $5.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Aston Martin DBX V8's gas mileage by year?

EPA combined ratings for the Aston Martin DBX V8 run 15–16 MPG across model years 2021 to 2024. The latest year, 2024, is rated 16 MPG.

Which Aston Martin DBX V8 model year has the best gas mileage?

The 2024 Aston Martin DBX V8 DBX V8 4.0L 8-cyl turbo 4WD has the highest combined rating since 2021, at 16 MPG.

How much does a Aston Martin DBX V8 cost to fuel per year?

For MY2024, EPA-rated configurations cost $4,980 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $4,980.

Has the Aston Martin DBX V8's fuel economy improved over time?

Yes. The most efficient configuration moved from 15 MPG in 2021 to 16 MPG in 2024, 1 MPG more.

Which Aston Martin DBX V8 model years have the same ratings?

EPA lists identical ratings as the previous year for 2023, 2024. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.