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: 44,879 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 178 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 44,879 miles, this 2021 BMW X3 M Sport has covered about 4,000 fewer miles than other 2021 BMW X3 cars. The dealer is asking £25,450, which is £731 below the AskCar estimate of £26,181. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. We first recorded this car for sale 40 days ago. Its advertised mileage matches the government's MOT record. The seller is Sytner Sheffield BMW, based in Sheffield. 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: £731 (2%) under the AskCar estimate of £26,181.

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 40 days.

Price history

AskCar first saw this advert on 25 September 2026 at £25,450. 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 12 April 2027.

It has had 3 MOTs. The latest, on 9 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 41,524 miles, which matches the advertised 44,879 miles.

Advertised mileage is about 4,000 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: 42,900 miles. Price: £27,099, £1,649 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, black. Mileage: 42,423 miles. Price: £26,446, £996 more than this car. Dealer: Maranello Performance in Stapleford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-d9c68cbbf082
• 2021 BMW X3 M Sport, 2.0 petrol SUV, white. Mileage: 42,100 miles. Price: £23,995, £1,455 less than this car. Dealer: FJ Chalke - Nissan, Yeovil in Yeovil. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-14a70a4a96c1

• The nearest: 2021 BMW X3 M Sport, 2.0 petrol SUV, black, 30 miles from this car. Mileage: 73,051 miles. Price: £20,499, £4,951 less than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-98f61496f6a7