2021 BMW X3 2.0 20i M Sport

Price: £28,990. Fair price: £57 (under 1%) over the AskCar estimate of £28,933, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,049 priced BMW X3 adverts on AskCar as of 12 November 2026.

AskCar lists 3,124 used BMW X3 from 1,234 UK dealerships, as of 12 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 2.0 20i GPF M Sport Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
  • Year: 2021
  • Mileage: 16,000 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 166 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 16,000 miles on the clock, this 2021 BMW X3 M Sport has done roughly 31,800 fewer miles than a typical 2021 BMW X3. Priced at £28,990, it is advertised £57 above the AskCar estimate of £28,933. To work out the AskCar estimate, we analyse UK dealer adverts for 3,049 BMW X3 cars across different ages and specifications. It first appeared in our advert records today. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Auto Unit in Newport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £57 (under 1%) over the AskCar estimate of £28,933.

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 3,049 priced BMW X3 adverts across different ages and specifications, as of 12 November 2026.

A 2021 BMW X3 with the 2.0 petrol engine is typically advertised at £24,400: the median of the 177 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2021 BMW X3 advertised today. About half of 2021 BMW X3 cars are gone from sale within a month of being advertised: 154 of the 334 first advertised between 13 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £28,990. 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 12 November 2026: valid until 22 June 2027.

It has had 3 MOTs. The latest, on 5 June 2026, passed.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; offside rear child seat fitted not allowing full inspection of adult belt; offside front inner tyre worn close to legal limit/worn on edge; and 4 more.

Mileage at that test: 14,963 miles, which matches the advertised 16,000 miles.

Advertised mileage is about 31,800 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

26 other 2021 BMW X3 M Sport 2.0 petrol automatic SUVs are for sale at UK dealers, from £20,499 to £32,998, as of 12 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X3 M Sport, 2.0 petrol SUV, blue. Mileage: 15,723 miles. Price: £32,998, £4,008 more than this car. Dealer: Arnold Clark Kirkcaldy BMW in Kirkcaldy. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-20a8a6f8aa10
  • 2021 BMW X3 M Sport, 2.0 petrol SUV, blue. Mileage: 23,295 miles. Price: £27,035, £1,955 less than this car. Dealer: Vertu BMW Teesside in Teesside. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-0026e7520398
  • 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 24,369 miles. Price: £29,000, the same price as this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-81ec25cff20b
  • The nearest: 2021 BMW X3 M Sport, 2.0 petrol SUV, black, 13 miles from this car. Mileage: 48,890 miles. Price: £25,000, £3,990 less than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-878762bd6850

Browse all BMW X3 cars for sale · 2021 BMW X3 price guide

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Photos

1 photo of this car is on its AskCar page.

As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.