2026 Aston Martin DBX 727 — Full Specifications
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The 2026 Aston Martin DBX 727 is an SUV powered by a 4L 8-cyl turbo premium gasoline engine. It returns around 19 mpg (UK) / 16 mpg (US EPA) combined. Owners often keep a Aston Martin DBX 727 workshop manual to hand for servicing and repairs.
Full Specifications
| Engine | 4L 8-cyl turbo |
|---|---|
| Transmission | Automatic 9-spd |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | 4-Wheel Drive |
| Body Style | SUV |
| Passenger Volume (EPA) | 105 cu ft (2,973 L) |
| Luggage Volume (EPA) | 29 cu ft (821 L) |
| Fuel Economy (UK) | 19 combined / 17 urban / 23 extra-urban mpg |
| Fuel Economy (US EPA) | 16 combined / 14 city / 19 highway mpg |
| CO₂ Emissions | 339 g/km |
| EPA Greenhouse Gas Score | 3 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $5,150 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 1 configuration for the 2026 Aston Martin DBX 727, all with the 4L 8-cyl turbo engine. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 4L 8-cyl turbo | Automatic 9-spd | 4-Wheel Drive | 19 | 16 (14/19) | 339 | $5,150 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 105 cubic feet (about 2,973 litres) and luggage volume at 29 cubic feet (about 821 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2026 Aston Martin DBX 727
Running Costs: 2026 Aston Martin DBX 727
Covering around 8,000 miles a year in a 2026 Aston Martin DBX 727 at 19 mpg combined, expect roughly 1,914 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $5,150 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.
2026 Aston Martin DBX 727 Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
How It Compares
How does the Aston Martin DBX 727 compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 19 mpg figure is 8 mpg below that average. Its 339 g/km CO₂ figure is 86 g/km higher than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
At 19 mpg (UK) combined it sits close to the 20 mpg average for Aston Martin models in our database.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2026 Aston Martin DBX 727
Frequently Asked Questions
What engine does the 2026 Aston Martin DBX 727 have?
It's fitted with a 4L 8-cyl turbo premium gasoline engine, paired with a automatic 9-spd transmission.
What is the fuel economy of the 2026 Aston Martin DBX 727?
The most efficient configuration returns around 19 mpg (UK) combined, or 16 mpg on the US EPA cycle.
How much does the 2026 Aston Martin DBX 727 cost to fuel per year?
The US EPA estimates about $5,150 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
How much interior and luggage space does the 2026 Aston Martin DBX 727 have?
EPA measures interior passenger volume at 105 cubic feet (about 2,973 litres) and luggage volume at 29 cubic feet (about 821 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.
Is the Aston Martin DBX 727's fuel economy good for an SUV?
It returns around 19 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.