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: 70,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 70,000 miles, around 15,200 more miles than is typical for its age. The AskCar estimate for this car is £18,233. It is priced at £18,485, which is £252 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. This car was first seen in our listings data 55 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Autochoice Car Supermarket in Blackburn. 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: £252 (1%) over the AskCar estimate of £18,233.

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 55 days.

Price history

AskCar first saw this advert on 11 September 2026 at £18,485. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 29 April 2027.

It has had 5 MOTs. The latest, on 9 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 65,520 miles, which matches the advertised 70,000 miles.

Advertised mileage is about 15,200 miles higher 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, black. Mileage: 69,947 miles. Price: £18,999, £514 more than this car. Dealer: CG Motor Land in Leicester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-ccf0d606ac51
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 70,370 miles. Price: £19,250, £765 more than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-0308fdaa6b61
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 68,000 miles. Price: £17,500, £985 less than this car. Dealer: BWC Used Cars Telford in Telford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-e674feeeccce

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue, 2 miles from this car. Mileage: 49,000 miles. Price: £21,995, £3,510 more than this car. Dealer: Q Performance Ltd / My1stcar.org in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-97b739a85872