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: 23,295 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 178 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport is advertised with 23,295 miles, approximately 23,700 below the typical mileage for its age. The dealer is asking £27,035, which is £2,035 below the AskCar estimate of £29,070. To work out the AskCar estimate, we analyse UK dealer adverts for 3,046 BMW X3 cars across different ages and specifications. We first saw this car advertised 40 days ago. Its asking price has since fallen by £682. The government's MOT record matches its advertised mileage. It is advertised by Vertu BMW Teesside in Stockton-on-Tees. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,035 (7%) under the AskCar estimate of £29,070.

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 3,046 priced BMW X3 adverts across different ages and specifications, as of 9 November 2026.

A 2021 BMW X3 with the 2.0 petrol engine is typically advertised at £24,500: the median of the 177 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 30 September 2026 at £27,717. Its asking price is now £27,035, £682 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 30 September 2026: £27,717
• 2 October 2026: £27,588
• 9 October 2026: £27,244
• 13 October 2026: £27,139
• 16 October 2026: £27,570
• 23 October 2026: £27,535
• 7 November 2026: £27,035

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 26 April 2027.

It has had 3 MOTs. The latest, on 31 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 21,202 miles, which matches the advertised 23,295 miles.

Advertised mileage is about 23,700 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 9 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 24,369 miles. Price: £29,000, £1,965 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-81ec25cff20b
• 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 24,839 miles. Price: £31,771, £4,736 more than this car. Dealer: Berry Cobham BMW in Cobham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-fa0331ef26bc
• 2021 BMW X3 M Sport, 2.0 petrol SUV, white. Mileage: 29,492 miles. Price: £30,590, £3,555 more than this car. Dealer: Williams Bmw Stockport in Stockport. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-41e95f1c3e16

• The nearest: 2021 BMW X3 M Sport, 2.0 petrol SUV, grey, 66 miles from this car. Mileage: 64,000 miles. Price: £23,395, £3,640 less than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-8c2c2dbab1a1