2020 Aston Martin DBX 4.0 V8

Price: £82,990. Fair price: £795 (under 1%) over the AskCar estimate of £82,195, 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: 2020
  • Mileage: 29,000 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 2020 Aston Martin DBX has covered 29,000 miles, around 11,300 fewer miles than is typical for its age. Its asking price of £82,990 is £795 above the AskCar estimate of £82,195. To work out the AskCar estimate, we analyse UK dealer adverts for 132 Aston Martin DBX cars across different ages and specifications. We first saw this car advertised 66 days ago. Its asking price has since fallen by £2,000. The recorded MOT expired on 14 October 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. 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: £795 (under 1%) over the AskCar estimate of £82,195.

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 2020 Aston Martin DBX with the 4.0 petrol engine is typically advertised at £79,000: the median of the 13 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Aston Martin DBX has been on sale for at least 66 days.

Price history

AskCar first saw this advert on 2 September 2026 at £84,990. Its asking price is now £82,990, £2,000 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

  • 2 September 2026: £84,990
  • 3 September 2026: £76,800
  • 8 September 2026: £84,990
  • 15 September 2026: £85,990
  • 25 September 2026: £84,490
  • 14 October 2026: £83,990
  • 7 November 2026: £82,990

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 14 October 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 6 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 24,996 miles, which matches the advertised 29,000 miles.

Advertised mileage is about 11,300 miles lower than the median mileage of a 2020 Aston Martin DBX on AskCar.

Browse all Aston Martin DBX cars for sale · 2020 Aston Martin DBX price guide

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Photos

42 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.