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: 52,239 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

At 52,239 miles, this 2021 BMW 3 Series M Sport has covered about 2,600 fewer miles than other 2021 BMW 3 Series cars. Priced at £19,099, it is advertised £668 below the AskCar estimate of £19,767. 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. Since we first spotted the advert 74 days ago, the asking price has dropped by £850. Its advertised mileage matches the government's MOT record. The seller is cinch Corby, based in North Northamptonshire. 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: £668 (3%) under the AskCar estimate of £19,767.

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 74 days.

Price history

AskCar first saw this advert on 23 August 2026 at £19,949. Its asking price is now £19,099, £850 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 23 August 2026: £19,949
• 25 August 2026: £20,198
• 2 September 2026: £19,999
• 8 September 2026: £19,856
• 11 September 2026: £19,899
• 15 September 2026: £19,799
• 26 September 2026: £19,299
• 3 November 2026: £19,099

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 16 August 2027.

It has had 4 MOTs. The latest, on 17 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 52,236 miles, which matches the advertised 52,239 miles.

Advertised mileage is about 2,600 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: 52,345 miles. Price: £19,995, £896 more than this car. Dealer: Crystal Motor Company in Northampton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-0336e6ddd323
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 52,100 miles. Price: £20,500, £1,401 more than this car. Dealer: Colin Ludwell Cars in Bristol. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-493fbe4eed48
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 52,000 miles. Price: £18,490, £609 less than this car. Dealer: Grainger Motor Group Mantles BYD Royston in Royston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3a62f9d743e5

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black, under a mile from this car. Mileage: 66,945 miles. Price: £19,799, £700 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-230d8c9a446e