2020 BMW X3 3.0 30d MHT M Sport
Price: £29,490. Fair price: £951 (3%) over the AskCar estimate of £28,539, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,034 priced BMW X3 adverts on AskCar as of 4 November 2026.
AskCar lists 3,115 used BMW X3 from 1,212 UK dealerships, as of 4 November 2026.
Overview
- Make: BMW
- Model: X3
- Trim: M Sport
- Version: 3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)
- Year: 2020
- Mileage: 44,500 miles
- Fuel: Diesel, mild hybrid
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 282 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 164 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 BMW X3 M Sport has covered 44,500 miles, around 7,100 fewer miles than is typical for its age. The AskCar estimate for this car is £28,539. It is priced at £29,490, which is £951 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. The asking price is now £500 lower than when we first recorded the advert 101 days ago. Our latest MOT record expired on 9 October 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by John Warren Cars in Hitchin. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £951 (3%) over the AskCar estimate of £28,539.
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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.
A 2020 BMW X3 with the 3.0 diesel engine is typically advertised at £30,200: the median of the 32 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2020 BMW X3 has been on sale for at least 101 days.
Price history
AskCar first saw this advert on 26 July 2026 at £29,990. Its asking price is now £29,490, £500 less. The latest price cut was seen on 11 August 2026.
Price changes recorded:
- 26 July 2026: £29,990
- 11 August 2026: £29,490
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 9 October 2026; ask the dealer for the current MOT.
It has had 4 MOTs. The latest, on 10 October 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 43,218 miles, which matches the advertised 44,500 miles.
Advertised mileage is about 7,100 miles lower than the median mileage of a 2020 BMW X3 on AskCar.
Similar cars
8 other 2020 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £22,490 to £29,400, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2020 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 45,613 miles. Price: £27,499, £1,991 less than this car. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-453ab0dc1be7
- 2020 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 37,687 miles. Price: £27,995, £1,495 less than this car. Dealer: Hamptons of Surrey in Farnham. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-13d1b0729483
- 2020 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 52,264 miles. Price: £24,495, £4,995 less than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-e31eb4e1dea0
- The nearest: 2020 BMW X3 M Sport, 3.0 diesel SUV, white, 23 miles from this car. Mileage: 60,089 miles. Price: £22,990, £6,500 less than this car. Dealer: Cars in MK in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-3914ac802c98
Browse all BMW X3 cars for sale · 2020 BMW X3 price guide
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Photos
20 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.