2021 Aston Martin DBX 4.0 V8
Price: £74,999. Above the going rate: £5,899 (8%) over the AskCar estimate of £69,100, 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: 59,000 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 2021 Aston Martin DBX is advertised with 59,000 miles on the clock. Its asking price of £74,999 is £5,899 above the AskCar estimate of £69,100. The AskCar estimate uses UK dealer asking prices, including 134 Aston Martin DBX adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 86 days ago. The latest MOT recorded 61,390 miles, above the advertised mileage. Check this with the dealer. Its recorded MOT is valid until 27 January 2027. It is for sale at Best4U Motors in Brentwood. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Above the going rate: £5,899 (8%) over the AskCar estimate of £69,100.
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 86 days.
Price history
AskCar first saw this advert on 14 August 2026 at £74,999. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 27 January 2027.
It has had 3 MOTs. The latest, on 28 January 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 61,390 miles. The advert says 59,000 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 19,000 miles higher 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
41 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.