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: 13,692 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 13,692 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 41,500 fewer miles than a typical 2021 BMW 3 Series. Its asking price of £23,349 is £1,102 below the AskCar estimate of £24,451. 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 recorded this advert 21 days ago, and its asking price has since fallen by £1,501. Its advertised mileage matches the government's MOT record. You can find this car at Prestige Cars Kent in Orpington. 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: £1,102 (4%) under the AskCar estimate of £24,451.

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 21 days.

Price history

AskCar first saw this advert on 14 October 2026 at £24,850. Its asking price is now £23,349, £1,501 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 14 October 2026: £24,850
• 17 October 2026: £24,726
• 22 October 2026: £24,582
• 27 October 2026: £24,348
• 29 October 2026: £24,233
• 31 October 2026: £23,850
• 3 November 2026: £23,349

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 13 March 2027.

It has had 3 MOTs. The latest, on 24 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 13,199 miles, which matches the advertised 13,692 miles.

Advertised mileage is about 41,500 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: 15,556 miles. Price: £24,918, £1,569 more than this car. Dealer: Bowker BMW Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7ef032206952
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 19,786 miles. Price: £24,000, £651 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-5a3c70a28591
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 20,400 miles. Price: £23,990, £641 more than this car. Dealer: Colin Bryan T/A CB Autosales in Kirkcaldy. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3dd19b655cf3

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white, 12 miles from this car. Mileage: 61,644 miles. Price: £20,228, £3,121 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-07da17be1b94