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Aston Martin DBX

Photo: Aston Martin DBX by Calreyn88, CC BY-SA 4.0, via Wikimedia Commons. It shows the model, not always this exact version.

Aston Martin · model year 2026

2026 Aston Martin DBX 707

SUV · 4-Wheel Drive · Gas · EPA class: Standard Sport Utility Vehicle 4WD

EPA figures · 2026fueleconomy.gov
17MPG combined
15/20MPG city / highway
$4,850fuel a year
537 g CO₂ per mile 4.0 L 8-cyl turbo Automatic 9-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.

Where it places

Against fuel-efficient SUVs

Combined MPG17 MPG
Chart average 24 MPGBest 53 MPG
Fuel a year$4,850
Lowest on the chart $1,250Chart average $3,316

The CarCody take

The 2026 Aston Martin DBX 707 is a gasoline SUV with 4-wheel drive, a 4.0-liter eight-cylinder turbo engine, and a nine-speed automatic transmission. Its EPA rating is 17 MPG combined, with 15 MPG in city driving and 20 MPG on the highway. EPA annual fuel cost is $4,850, and tailpipe CO2 is 537 grams per mile.

Good to know

  • 4-wheel drive SUV body
  • 4.0-liter turbocharged eight-cylinder engine
  • 20 MPG highway rating
  • Nine-speed automatic transmission

Watch for

  • 17 MPG combined fuel economy
  • 15 MPG city fuel economy
  • $4,850 EPA annual fuel cost
  • 537 grams of CO2 per mile

Who it suits. SUV buyers who want 4-wheel drive and a turbocharged 8-cylinder engine Drivers whose budget accommodates high annual gasoline costs

The DBX 707 is a clear fit for someone seeking a 2026 Aston Martin SUV with 4-wheel drive and a turbocharged 4.0-liter eight-cylinder engine. Its 17 MPG combined rating sets the practical expectation: fuel is a major part of ownership, with an EPA estimate of $4,850 per year. City driving is rated at 15 MPG, while highway travel reaches 20 MPG. If those numbers work for your budget and driving mix, the DBX 707’s drivetrain and SUV format match the brief. If not, its fuel use is the deciding reason to look elsewhere.

What it is

The DBX 707 is Aston Martin’s 2026 standard sport utility vehicle with 4-wheel drive. It uses gasoline, a 4.0-liter eight-cylinder turbo engine, and a nine-speed automatic transmission.

The numbers

Its defining EPA figure is 17 MPG combined. The rating breaks down to 15 MPG in city driving and 20 MPG on the highway. Your result will depend on how much of each type of driving you do.

What it costs to run

EPA estimates yearly fuel spending at $4,850. That estimate reflects the DBX 707’s 17 MPG combined rating and gasoline use. Its tailpipe output is 537 grams of CO2 per mile.

How it compares

The DBX 707 belongs in side-by-side comparisons of gasoline SUVs using combined MPG, city MPG, highway MPG, and annual fuel cost.

Who it suits

It suits a buyer who wants an SUV with 4-wheel drive and accepts the running cost of a 17-MPG gasoline vehicle. The highway rating is higher than the city figure, so it fits driving that includes more open-road miles.

Trade-offs

Four-wheel drive and the turbocharged eight-cylinder engine come with a 15 MPG city rating and 20 MPG highway rating. The result is a $4,850 EPA annual fuel estimate and 537 grams of tailpipe CO2 per mile.

Verdict

Choose the DBX 707 if its SUV body, four driven wheels, and turbocharged 8-cylinder engine matter more to you than fuel spending. The EPA numbers point to a vehicle that uses gasoline at a relatively high rate, especially in city use. Budget around $4,850 a year for fuel under the EPA estimate, and expect the combined figure to center on 17 MPG. It makes the most sense for an owner comfortable with that ongoing cost and the stated emissions figure.

Every figure on record

Efficiency
Combined MPG
17 MPG
City MPG
15 MPG
Highway MPG
20 MPG
Running cost
Annual fuel cost
$4,850
Tailpipe CO₂
537 g per mile
The car
Model year
2026
Body
SUV
EPA size class
Standard Sport Utility Vehicle 4WD
Drive
4-Wheel Drive
Powertrain
Engine
4.0 L 8-cyl turbo
Transmission
Automatic 9-spd
Fuel
Gasoline

Questions

What fuel does the 2026 Aston Martin DBX 707 use?

It uses gasoline.

What is the DBX 707’s combined MPG?

The EPA combined rating is 17 MPG.

What are its city and highway MPG ratings?

It is rated at 15 MPG in the city and 20 MPG on the highway.

How much does it cost to fuel each year?

The EPA annual fuel-cost estimate is $4,850.

What drivetrain does the DBX 707 have?

It has 4-wheel drive and is classified as a standard sport utility vehicle 4WD.

What engine and transmission are used?

The DBX 707 has a 4.0-liter eight-cylinder turbo engine with a nine-speed automatic transmission.

How much tailpipe CO2 does it produce?

Its EPA tailpipe figure is 537 grams of CO2 per mile.

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