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: 49,000 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 49,000 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 6,200 fewer miles than a typical 2021 BMW 3 Series. Priced at £21,995, it is advertised £1,798 above the AskCar estimate of £20,197. The AskCar estimate uses UK dealer asking prices, including 6,902 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 47 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Q Performance Ltd / My1stcar.org in Blackburn. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,798 (8%) over the AskCar estimate of £20,197.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 47 days.

Price history

AskCar first saw this advert on 20 September 2026 at £21,995. 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 6 November 2026: valid until 25 April 2027.

It has had 3 MOTs. The latest, on 21 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,815 miles, which matches the advertised 49,000 miles.

Advertised mileage is about 6,200 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 £14,000 to £25,975, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 49,247 miles. Price: £19,890, £2,105 less than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-0c6d3304d099
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 48,050 miles. Price: £22,991, £996 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-97bca1b56462
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 50,512 miles. Price: £19,495, £2,500 less than this car. Dealer: Group 1 Hailsham BMW in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4dd71b613bfd

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue, 2 miles from this car. Mileage: 70,000 miles. Price: £18,485, £3,510 less than this car. Dealer: Autochoice Car Supermarket in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-cc353d4552a5