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 RWD Euro 6 (s/s) 4dr (181 bhp)
• Year: 2021
• Mileage: 31,500 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 31,500 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 23,700 fewer miles than a typical 2021 BMW 3 Series. The AskCar estimate for this car is £22,381. It is priced at £22,399, which is £18 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,862 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 43 days ago. Its asking price has since fallen by £100. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lookers BMW Stafford, based in Stafford. 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: £18 (under 1%) over the AskCar estimate of £22,381.

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 43 days.

Price history

AskCar first saw this advert on 22 September 2026 at £22,499. Its asking price is now £22,399, £100 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 22 September 2026: £22,499
• 4 October 2026: £23,499
• 7 October 2026: £23,599
• 11 October 2026: £23,199
• 17 October 2026: £22,999
• 21 October 2026: £22,699
• 29 October 2026: £22,599
• 3 November 2026: £22,399

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 27 August 2027.

It failed its MOT on 28 August 2026 (nearside front lower suspension arm ball joint excessively worn rear) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 30,561 miles, which matches the advertised 31,500 miles.

Advertised mileage is about 23,700 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 31,460 miles. Price: £22,370, the same price as this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8eb9e5386599
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 31,312 miles. Price: £20,949, £1,450 less than this car. Dealer: Motorpoint Burnley in Burnley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-2688e420b9cf
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 31,866 miles. Price: £19,640, £2,759 less than this car. Dealer: Evans Halshaw Vauxhall Kilmarnock in Kilmarnock. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-20dc9fcd073c

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black, under a mile from this car. Mileage: 32,920 miles. Price: £21,799, £600 less than this car. Dealer: Lookers BMW Stafford in Stafford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8e484d9599b2