2020 BMW X3 2.0 20d M Sport
Price: £23,990. Fair price: £932 (4%) over the AskCar estimate of £23,058, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,076 priced BMW X3 adverts on AskCar as of 5 November 2026.
AskCar lists 3,143 used BMW X3 from 1,230 UK dealerships, as of 5 November 2026.
Overview
- Make: BMW
- Model: X3
- Trim: M Sport
- Version: 2.0 xDrive20d M Sport Auto 4WD Euro 6 5dr (187 bhp)
- Year: 2020
- Mileage: 48,257 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: White
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 48,257 miles, this 2020 BMW X3 M Sport has covered about 3,800 fewer miles than other 2020 BMW X3 cars. The AskCar estimate for this car is £23,058. It is priced at £23,990, which is £932 above that estimate. The AskCar estimate uses 3,076 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 8 days. It is for sale at Listers in Boston. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £932 (4%) over the AskCar estimate of £23,058.
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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.
A 2020 BMW X3 with the 2.0 diesel engine is typically advertised at £22,200: the median of the 100 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2020 BMW X3 has been on sale for at least 8 days.
Price history
AskCar first saw this advert on 28 October 2026 at £23,990. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 3,800 miles lower than the median mileage of a 2020 BMW X3 on AskCar.
Similar cars
69 other 2020 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,499 to £28,295, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2020 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 48,250 miles. Price: £23,990, the same price as this car. Dealer: MINI UK at Listers Boston in Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-4c8d49b899d3
- 2020 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 47,275 miles. Price: £22,249, £1,741 less than this car. Dealer: Motorpoint Castleford in Castleford. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-a919717c8a4d
- 2020 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 49,260 miles. Price: £24,250, £260 more than this car. Dealer: Merc Autobarn in Hayes. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-b10c22a3f053
Browse all BMW X3 cars for sale · 2020 BMW X3 price guide
More like this
- Used BMW X3 M Sport prices
- Used BMW X3 for sale under £30,000
- Used diesel BMW X3 for sale
- Used BMW X3 for sale near Boston
Photos
26 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.