2021 BMW 3 Series 2.0 320i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320i M Sport Auto 4WD Euro 6 4dr (181 bhp)
• Year: 2021
• Mileage: 29,800 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 29,800 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 25,000 fewer miles than a typical 2021 BMW 3 Series. Priced at £21,995, it is advertised £1,579 below the AskCar estimate of £23,574. The AskCar estimate uses UK dealer asking prices, including 6,897 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 126 days ago, and its asking price has since fallen by £4,505. The seller is Position One Motor Company, based in Leatherhead. 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: £1,579 (6%) under the AskCar estimate of £23,574.

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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 126 days.

Price history

AskCar first saw this advert on 2 July 2026 at £26,500. Its asking price is now £21,995, £4,505 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 2 July 2026: £26,500
• 5 July 2026: £25,995
• 18 July 2026: £24,995
• 29 July 2026: £24,895
• 8 August 2026: £24,495
• 11 August 2026: £23,995
• 3 September 2026: £22,995
• 30 September 2026: £22,495
• 3 November 2026: £21,995

Mileage and MOT

Advertised mileage is about 25,000 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

146 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £14,000 to £26,950, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 29,874 miles. Price: £24,999, £3,004 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a4dbf913015e
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 29,666 miles. Price: £19,975, £2,020 less than this car. Dealer: Motorline Direct in Loughborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-082f498b88ff
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 29,944 miles. Price: £23,995, £2,000 more than this car. Dealer: Agnew Group Bavarian BMW in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-10d6b7a55764

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white, 4 miles from this car. Mileage: 41,212 miles. Price: £19,995, £2,000 less than this car. Dealer: Wilsons Motor Group in Ewell. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a3790ffd14be