2021 BMW X3 2.0 20i M Sport

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: 42,423 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

At 42,423 miles, this 2021 BMW X3 M Sport has covered about 6,500 fewer miles than other 2021 BMW X3 cars. Its asking price of £26,446 is £830 above the AskCar estimate of £25,616. The AskCar estimate uses UK dealer asking prices, including 3,034 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 3 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Maranello Performance in Stapleford. 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: £830 (3%) over the AskCar estimate of £25,616.

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 3 days ago. 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 1 November 2026 at £26,446. 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 3 July 2027.

It has had 4 MOTs. The latest, on 16 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 40,341 miles, which matches the advertised 42,423 miles.

Advertised mileage is about 6,500 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, white. Mileage: 42,100 miles. Price: £23,995, £2,451 less than this car. Dealer: FJ Chalke - Nissan, Yeovil in Yeovil. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-14a70a4a96c1
• 2021 BMW X3 M Sport, 2.0 petrol SUV, white. Mileage: 42,900 miles. Price: £27,099, £653 more than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-54b2037e0a70
• 2021 BMW X3 M Sport, 2.0 petrol SUV, grey. Mileage: 44,879 miles. Price: £25,450, £996 less than this car. Dealer: Sytner Sheffield BMW in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c2f66414b125

• The nearest: 2021 BMW X3 M Sport, 2.0 petrol SUV, black, 5 miles from this car. Mileage: 48,615 miles. Price: £26,491, the same price as this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-bf7c71c39549