2021 Aston Martin DBX 4.0 V8

Price: £77,950. Good value: £6,951 (8%) under the AskCar estimate of £84,901, our expected asking price for this car from its model, age, mileage and specification, drawing on 134 priced Aston Martin DBX adverts on AskCar as of 6 November 2026.

AskCar lists 136 used Aston Martin DBX from 75 UK dealerships, as of 6 November 2026.

Overview

  • Make: Aston Martin
  • Model: DBX
  • Version: 4.0 V8 Auto 4WD Euro 6 (s/s) 5dr (542 bhp)
  • Year: 2021
  • Mileage: 26,150 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 4.0 litres, 542 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • CO2: 323 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Aston Martin DBX is advertised with 26,150 miles, approximately 13,900 below the typical mileage for its age. The dealer is asking £77,950, which is £6,951 below the AskCar estimate of £84,901. To work out the AskCar estimate, we analyse UK dealer adverts for 134 Aston Martin DBX cars across different ages and specifications. We first saw this car advertised 101 days ago. Its asking price has since fallen by £4,000. You can find this car at Motion8 Prestige Cars in Thorpe Satchville. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £6,951 (8%) under the AskCar estimate of £84,901.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 134 priced Aston Martin DBX adverts across different ages and specifications, as of 6 November 2026.

A 2021 Aston Martin DBX with the 4.0 petrol engine is typically advertised at £78,000: the median of the 28 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 Aston Martin DBX has been on sale for at least 101 days.

Price history

AskCar first saw this advert on 28 July 2026 at £81,950. Its asking price is now £77,950, £4,000 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

  • 28 July 2026: £81,950
  • 19 August 2026: £79,950
  • 6 November 2026: £77,950

Mileage and MOT

Advertised mileage is about 13,900 miles lower than the median mileage of a 2021 Aston Martin DBX on AskCar.

Browse all Aston Martin DBX cars for sale · 2021 Aston Martin DBX price guide

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Photos

5 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.