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: 52,230 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 52,230 miles, this 2021 BMW 3 Series M Sport has covered about 2,500 fewer miles than other 2021 BMW 3 Series cars. Priced at £19,390, it is advertised £400 below the AskCar estimate of £19,790. To work out the AskCar estimate, we analyse UK dealer adverts for 6,864 BMW 3 Series cars across different ages and specifications. The asking price is now £1,100 lower than when we first recorded the advert 82 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is MINI UK at Stratstone Doncaster, based in Doncaster. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £400 (2%) under the AskCar estimate of £19,790.

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 6,864 priced BMW 3 Series adverts across different ages and specifications, as of 10 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 82 days.

Price history

AskCar first saw this advert on 20 August 2026 at £20,490. Its asking price is now £19,390, £1,100 less. The latest price cut was seen on 17 September 2026.

Price changes recorded:

• 20 August 2026: £20,490
• 29 August 2026: £19,690
• 9 September 2026: £19,790
• 17 September 2026: £19,390

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 26 February 2027.

It has had 3 MOTs. The latest, on 26 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 49,643 miles, which matches the advertised 52,230 miles.

Advertised mileage is about 2,500 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

143 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £13,750 to £27,698, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 52,239 miles. Price: £19,099, £291 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-55b02185bbaa
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 52,100 miles. Price: £20,500, £1,110 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, black. Mileage: 51,848 miles. Price: £21,500, £2,110 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-f42cdc6218b7

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey, 3 miles from this car. Mileage: 60,000 miles. Price: £17,195, £2,195 less than this car. Dealer: G&M Car Sales in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-21ec2a058232