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: 51,300 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 51,300 miles on the clock, this 2021 BMW X3 M Sport has done roughly 2,400 more miles than a typical 2021 BMW X3. The AskCar estimate for this car is £24,435. It is priced at £22,999, which is £1,436 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. Since we first spotted the advert 91 days ago, the asking price has dropped by £2,000. Our latest MOT record expired on 27 September 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Wiltshire & Sons Farnham, based in Farnham. 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: £1,436 (5%) under the AskCar estimate of £24,435.

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 91 days.

Price history

AskCar first saw this advert on 5 August 2026 at £24,999. Its asking price is now £22,999, £2,000 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 5 August 2026: £24,999
• 16 October 2026: £23,999
• 28 October 2026: £23,499
• 4 November 2026: £22,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 27 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 20 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 42,194 miles, which matches the advertised 51,300 miles.

Advertised mileage is about 2,400 miles higher 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, grey. Mileage: 52,000 miles. Price: £26,250, £3,251 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-5c5f3b3d9e26
• 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 48,890 miles. Price: £25,000, £2,001 more than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-fe40d0bdf039
• 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 48,615 miles. Price: £26,491, £3,492 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-bf7c71c39549

• The nearest: 2021 BMW X3 M Sport, 2.0 petrol SUV, black, 17 miles from this car. Mileage: 24,839 miles. Price: £31,771, £8,772 more than this car. Dealer: Berry Cobham BMW in Cobham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-fa0331ef26bc