2020 BMW X3 3.0 M40d
Price: £25,950. Fair price: £701 (2%) under the AskCar estimate of £26,651, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,033 priced BMW X3 adverts on AskCar as of 8 November 2026.
AskCar lists 3,134 used BMW X3 from 1,223 UK dealerships, as of 8 November 2026.
Overview
- Make: BMW
- Model: X3
- Version: 3.0 M40d Auto 4WD Euro 6 (s/s) 5dr (322 bhp)
- Year: 2020
- Mileage: 72,000 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 322 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 169 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 72,000 miles, this 2020 BMW X3 has covered about 20,000 more miles than other 2020 BMW X3 cars. Its asking price of £25,950 is £701 below the AskCar estimate of £26,651. The AskCar estimate draws on 3,033 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 9 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Cambridgeshire Motor House in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £701 (2%) under the AskCar estimate of £26,651.
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 3,033 priced BMW X3 adverts across different ages and specifications, as of 8 November 2026.
A 2020 BMW X3 with the 3.0 diesel engine is typically advertised at £30,000: the median of the 29 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2020 BMW X3 has been on sale for at least 9 days.
Price history
AskCar first saw this advert on 30 October 2026 at £25,950. 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 21 October 2027.
It has had 6 MOTs. The latest, on 3 October 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 70,463 miles, which matches the advertised 72,000 miles.
Advertised mileage is about 20,000 miles higher than the median mileage of a 2020 BMW X3 on AskCar.
Browse all BMW X3 cars for sale · 2020 BMW X3 price guide
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Photos
2 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.