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 has covered 23,295 miles, around 25,600 fewer miles than is typical for its age. The dealer is asking £27,535, which is £1,618 below the AskCar estimate of £29,153. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. We have tracked this advert for 21 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Vertu BMW Teesside, based in Stockton-on-Tees. 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: £1,618 (5%) under the AskCar estimate of £29,153.

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 21 days.

Price history

AskCar first saw this advert on 14 October 2026 at £27,139. Its asking price is now £27,535, £396 more.

Price changes recorded:

• 14 October 2026: £27,139
• 16 October 2026: £27,570
• 23 October 2026: £27,535

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 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 25,600 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, black. Mileage: 24,369 miles. Price: £29,000, £1,465 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-85536b6a0792
• 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 24,839 miles. Price: £31,771, £4,236 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, £3,055 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: £23,495, £4,040 less than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-8c2c2dbab1a1