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: 36,643 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 36,643 miles, around 12,200 fewer miles than is typical for its age. The dealer is asking £27,495, which is £344 above the AskCar estimate of £27,151. To work out the AskCar estimate, we analyse UK dealer adverts for 3,076 BMW X3 cars across different ages and specifications. We first recorded this advert 65 days ago, and its asking price has since fallen by £505. Its advertised mileage matches the government's MOT record. You can find this car at Sytner Tring BMW in COW Roast. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £344 (1%) over the AskCar estimate of £27,151.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2021 BMW X3 with the 2.0 petrol engine is typically advertised at £24,400: the median of the 177 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 65 days.

Price history

AskCar first saw this advert on 1 September 2026 at £28,000. Its asking price is now £27,495, £505 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 1 September 2026: £28,000
• 30 September 2026: £28,500
• 15 October 2026: £27,995
• 4 November 2026: £27,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 29 December 2026.

It has had 3 MOTs. The latest, on 15 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 35,240 miles, which matches the advertised 36,643 miles.

Advertised mileage is about 12,200 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 £30,590, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 petrol SUV, white. Mileage: 35,743 miles. Price: £30,470, £2,975 more than this car. Dealer: Sytner Harold Wood BMW in Harold Wood. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-0b456aa1521a
• 2021 BMW X3 M Sport, 2.0 petrol SUV, blue. Mileage: 35,116 miles. Price: £28,444, £949 more than this car. Dealer: Dick Lovett Porsche Centre Swindon in Swindon. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-530e876dad07
• 2021 BMW X3 M Sport, 2.0 petrol SUV, grey. Mileage: 32,000 miles. Price: £29,898, £2,403 more than this car. Dealer: Arnold Clark Kirkcaldy BMW in Kirkcaldy. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-5a8d63006c17