2021 BMW X3 2.0 20i M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 xDrive20i M Sport Auto 4WD Euro 6 5dr (181 bhp)
• Year: 2021
• Mileage: 29,492 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 178 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport has covered 29,492 miles, around 19,400 fewer miles than is typical for its age. The AskCar estimate for this car is £28,398. It is priced at £30,590, which is £2,192 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 £400 lower than when we first recorded the advert 25 days ago. Its advertised mileage matches the government's MOT record. The seller is Williams Bmw Stockport, based in Stockport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,192 (7%) over the AskCar estimate of £28,398.

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 2021 BMW X3 with the 2.0 petrol engine is typically advertised at £24,500: the median of the 174 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 25 days.

Price history

AskCar first saw this advert on 10 October 2026 at £30,990. Its asking price is now £30,590, £400 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 10 October 2026: £30,990
• 17 October 2026: £30,790
• 29 October 2026: £30,590

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 29 January 2027.

It failed its MOT on 26 January 2026 (windscreen washer provides insufficient washer liquid; nearside windscreen wiper does not clear the windscreen effectively; offside windscreen wiper does not clear the windscreen effectively) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 24,442 miles, which matches the advertised 29,492 miles.

Advertised mileage is about 19,400 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

24 other 2021 BMW X3 M Sport 2.0 petrol automatic SUVs are for sale at UK dealers, from £20,499 to £31,771, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 petrol SUV, silver. Mileage: 30,069 miles. Price: £28,950, £1,640 less than this car. Dealer: JKC BMW in Coleraine. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-b6e144597b76
• 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 31,250 miles. Price: £24,995, £5,595 less than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-f8a668c62c3e
• 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 31,761 miles. Price: £27,995, £2,595 less than this car. Dealer: Sinclair Direct in Bridgend. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-76b70657864b

• The nearest: 2021 BMW X3 M Sport, 2.0 petrol SUV, black, 9 miles from this car. Mileage: 73,051 miles. Price: £20,499, £10,091 less than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-98f61496f6a7