2021 Aston Martin DBX 4.0 V8

Price: £87,990. Fair price: £590 (under 1%) under the AskCar estimate of £88,580, our expected asking price for this car from its model, age, mileage and specification, drawing on 132 priced Aston Martin DBX adverts on AskCar as of 7 November 2026.

AskCar lists 134 used Aston Martin DBX from 75 UK dealerships, as of 7 November 2026.

Overview

  • Make: Aston Martin
  • Model: DBX
  • Version: 4.0 V8 Auto 4WD Euro 6 (s/s) 5dr (542 bhp)
  • Year: 2021
  • Mileage: 18,001 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 4.0 litres, 542 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 323 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Aston Martin DBX is advertised with 18,001 miles, approximately 22,000 below the typical mileage for its age. Priced at £87,990, it is advertised £590 below the AskCar estimate of £88,580. The AskCar estimate draws on 132 Aston Martin DBX adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 150 days ago, and its asking price has since fallen by £17,000. Our latest MOT record expired on 26 May 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. The seller is Marshall Motor Group Aston Martin Tunbridge Wells, based in Tunbridge Wells. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £590 (under 1%) under the AskCar estimate of £88,580.

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 132 priced Aston Martin DBX adverts across different ages and specifications, as of 7 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 7 November 2026.

Time on sale

This 2021 Aston Martin DBX has been on sale for at least 150 days.

Price history

AskCar first saw this advert on 10 June 2026 at £104,990. Its asking price is now £87,990, £17,000 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

  • 10 June 2026: £104,990
  • 26 June 2026: £102,990
  • 25 July 2026: £102,490
  • 11 August 2026: £99,990
  • 22 August 2026: £97,490
  • 10 September 2026: £94,990
  • 25 September 2026: £92,490
  • 7 October 2026: £89,990
  • 14 October 2026: £88,990
  • 7 November 2026: £87,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 26 May 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 3 May 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 16,444 miles, which matches the advertised 18,001 miles.

Advertised mileage is about 22,000 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

25 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.