2021 Aston Martin DBX 4.0 V8
Price: £75,999. Good value: £6,642 (8%) under the AskCar estimate of £82,641, 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 8 November 2026.
AskCar lists 136 used Aston Martin DBX from 76 UK dealerships, as of 8 November 2026.
Overview
- Make: Aston Martin
- Model: DBX
- Version: 4.0 V8 Auto 4WD Euro 6 (s/s) 5dr (542 bhp)
- Year: 2021
- Mileage: 30,850 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 4.0 litres, 542 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 323 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Aston Martin DBX has covered 30,850 miles, around 9,200 fewer miles than is typical for its age. Its asking price of £75,999 is £6,642 below the AskCar estimate of £82,641. The AskCar estimate uses 134 UK dealer adverts for the Aston Martin DBX, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 23 days ago. Its asking price has since fallen by £2,491. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Acorn Specialist Cars in Stone. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Good value: £6,642 (8%) under the AskCar estimate of £82,641.
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 8 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 8 November 2026.
Time on sale
This 2021 Aston Martin DBX has been on sale for at least 23 days.
Price history
AskCar first saw this advert on 16 October 2026 at £78,490. Its asking price is now £75,999, £2,491 less. The latest price cut was seen on 5 November 2026.
Price changes recorded:
- 16 October 2026: £78,490
- 4 November 2026: £76,999
- 5 November 2026: £75,999
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 1 October 2027.
It has had 4 MOTs. The latest, on 2 October 2026, passed.
Advisories at the latest test: tyre slightly damaged/cracking or perishing all tyres starting to crack on inner side walls.
Mileage at that test: 30,721 miles, which matches the advertised 30,850 miles.
Advertised mileage is about 9,200 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
37 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,762 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.