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: 48,890 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 178 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport is advertised with 48,890 miles on the clock. The dealer is asking £25,000, which is £628 below the AskCar estimate of £25,628. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 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. The seller is Sytner Cardiff BMW, based in Cardiff. 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: £628 (2%) under the AskCar estimate of £25,628.

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

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: 142 of the 303 first advertised between 13 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £25,000. 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 4 November 2026: valid until 23 April 2027.

It has had 3 MOTs. The latest, on 22 April 2026, passed.

Advisories at the latest test: nearside rear inner brake pad(s) wearing thin; offside front sub-frame is deformed but structural rigidity is not significantly reduced.

Mileage at that test: 45,626 miles, which matches the advertised 48,890 miles.

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, black. Mileage: 48,615 miles. Price: £26,491, £1,491 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-bf7c71c39549
• 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 51,300 miles. Price: £22,999, £2,001 less than this car. Dealer: Wiltshire & Sons Farnham in Farnham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-bf81c66f6056
• 2021 BMW X3 M Sport, 2.0 petrol SUV, grey. Mileage: 52,000 miles. Price: £26,250, £1,250 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-5c5f3b3d9e26

• The nearest: 2021 BMW X3 M Sport, 2.0 petrol SUV, black, 16 miles from this car. Mileage: 31,761 miles. Price: £27,995, £2,995 more than this car. Dealer: Sinclair Direct in Bridgend. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-76b70657864b