2021 BMW 3 Series 2.0 M SPORT

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 M Sport Auto Euro 6 4dr
• Year: 2021
• Mileage: 74,400 miles
• Fuel: Hybrid (petrol)
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: White
• CO2: 152 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 74,400 miles, around 19,300 more miles than is typical for its age. The dealer is asking £17,999, which is £36 below the AskCar estimate of £18,035. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 160 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sandles Cars, based in Kings Lynn. 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: £36 (under 1%) under the AskCar estimate of £18,035.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £18,999. Its asking price is now £17,999, £1,000 less. The latest price cut was seen on 23 September 2026.

Price changes recorded:

• 28 May 2026: £18,999
• 30 June 2026: £18,799
• 20 August 2026: £18,499
• 27 August 2026: £18,299
• 23 September 2026: £17,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 18 February 2027.

It failed its MOT on 22 January 2026 (windscreen washer not working front washers inoperative; nearside front inner tyre has a cut in excess of the requirements deep enough to reach the ply or cords sidewall cut to cords; nearside front outer tyre has a bulge, caused by separation or partial failure of its structure sidewall bulge; and 1 more) and passed 28 days later, on 19 February 2026.

There were no advisories at the latest test.

Mileage at that test: 73,603 miles, which matches the advertised 74,400 miles.

Advertised mileage is about 19,300 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

3 other 2021 BMW 3 Series M Sport 2.0 hybrid automatic saloons are for sale at UK dealers, from £16,490 to £22,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 hybrid saloon, black. Mileage: 73,775 miles. Price: £21,245, £3,246 more than this car. Dealer: A1 Auto Solutions in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-fb07b09013ff
• 2021 BMW 3 Series M Sport, 2.0 hybrid saloon, white. Mileage: 62,346 miles. Price: £16,490, £1,509 less than this car. Dealer: Auto Zone Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-81fafc5e528f
• 2021 BMW 3 Series M Sport, 2.0 hybrid saloon, white. Mileage: 27,000 miles. Price: £22,995, £4,996 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-e7024bb2d26c