2020 BMW X3 2.0 20i M Sport

Price: £19,500. Fair price: £1,022 (4%) under the AskCar estimate of £20,522, 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
  • Trim: M Sport
  • Version: 2.0 xDrive20i M Sport Auto 4WD Euro 6 5dr (181 bhp)
  • Year: 2020
  • Mileage: 74,141 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Silver
  • CO2: 178 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 M Sport has covered 74,141 miles, around 22,000 more miles than is typical for its age. The dealer is asking £19,500, which is £1,022 below the AskCar estimate of £20,522. To work out the AskCar estimate, we analyse UK dealer adverts for 3,099 BMW X3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 65 days, and its asking price has been cut by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner High Wycombe BMW, based in High Wycombe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,022 (4%) under the AskCar estimate of £20,522.

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 2.0 petrol engine is typically advertised at £22,000: the median of the 104 for sale on AskCar, as of 6 November 2026.

Time on sale

The dealer may accept less. This 2020 BMW X3 has been on sale for at least 65 days, and its asking price has been cut by £2,000. 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 2 September 2026 at £21,500. Its asking price is now £19,500, £2,000 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 2 September 2026: £21,500
  • 22 September 2026: £21,000
  • 6 October 2026: £20,500
  • 13 October 2026: £20,000
  • 27 October 2026: £19,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 30 January 2027.

It has had 4 MOTs. The latest, on 26 January 2026, passed.

Advisories at the latest test: rear differential has a small leak of oil.

Mileage at that test: 67,658 miles, which matches the advertised 74,141 miles.

Advertised mileage is about 22,000 miles higher than the median mileage of a 2020 BMW X3 on AskCar.

Similar cars

8 other 2020 BMW X3 M Sport 2.0 petrol automatic SUVs are for sale at UK dealers, from £20,788 to £29,000, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW X3 M Sport, 2.0 petrol SUV, grey. Mileage: 74,318 miles. Price: £20,995, £1,495 more than this car. Dealer: Elton Cars in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-a1b4cedcbd77
  • 2020 BMW X3 M Sport, 2.0 petrol SUV, blue. Mileage: 79,639 miles. Price: £20,788, £1,288 more than this car. Dealer: The Car Guys in Dunstable. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-c7c1282a4db9
  • 2020 BMW X3 M Sport, 2.0 petrol SUV, grey. Mileage: 58,750 miles. Price: £23,999, £4,499 more than this car. Dealer: MINI UK at Cotswold Hereford in Hereford. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-13ac9b97efa3

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 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.