2020 BMW X3 3.0 M40d
Price: £25,399. Fair price: £442 (1%) under the AskCar estimate of £25,841, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,099 priced BMW X3 adverts on AskCar as of 6 November 2026.
AskCar lists 3,164 used BMW X3 from 1,233 UK dealerships, as of 6 November 2026.
Overview
- Make: BMW
- Model: X3
- Version: 3.0 M40d Auto 4WD Euro 6 (s/s) 5dr (322 bhp)
- Year: 2020
- Mileage: 76,891 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
This 2020 BMW X3 has covered 76,891 miles, around 24,700 more miles than is typical for its age. Its asking price of £25,399 is £442 below the AskCar estimate of £25,841. The AskCar estimate uses 3,099 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. Its advertised mileage matches the government's MOT record. The seller is cinch, based in Bexley. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £442 (1%) under the AskCar estimate of £25,841.
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 3,099 priced BMW X3 adverts across different ages and specifications, as of 6 November 2026.
A 2020 BMW X3 with the 3.0 diesel engine is typically advertised at £30,000: the median of the 32 for sale on AskCar, as of 6 November 2026.
Time on sale
AskCar first saw this 2020 BMW X3 advertised today. About 6 in 10 of 2020 BMW X3 cars are gone from sale within a month of being advertised: 135 of the 244 first advertised between 11 July 2026 and 3 October 2026.
Price history
AskCar first saw this advert on 6 November 2026 at £25,399. 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 6 November 2026: valid until 1 October 2027.
It failed its MOT on 22 September 2026 (windscreen damaged but not adversely affecting driver's view; nearside front inner tyre has a cut in excess of the requirements deep enough to reach the ply or cords; offside front outer tyre has a cut in excess of the requirements deep enough to reach the ply or cords; and 1 more) and passed 1 day later, on 23 September 2026.
Advisories at the latest test: windscreen damaged but not adversely affecting driver's view.
Mileage at that test: 76,442 miles, which matches the advertised 76,891 miles.
Advertised mileage is about 24,700 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
22 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.