2021 BMW 3 Series 2.0 330i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 330i M Sport Auto RWD Euro 6 4dr (254 bhp)
• Year: 2021
• Mileage: 50,948 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 148 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 50,948 miles, approximately 3,900 below the typical mileage for its age. The AskCar estimate for this car is £22,398. It is priced at £23,000, which is £602 above that estimate. 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. It first appeared in our advert records 4 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner High Wycombe BMW, based in High Wycombe. 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: £602 (2%) over the AskCar estimate of £22,398.

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

AskCar first saw this 2021 BMW 3 Series advertised 4 days ago. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 429 of the 907 first advertised between 10 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 1 November 2026 at £23,000. 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 25 March 2027.

It has had 3 MOTs. The latest, on 12 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 43,528 miles, which matches the advertised 50,948 miles.

Advertised mileage is about 3,900 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, grey. Mileage: 50,631 miles. Price: £22,390, £610 less than this car. Dealer: MINI UK at Stratstone Hull in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-adea1589ef83
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 50,512 miles. Price: £19,995, £3,005 less than this car. Dealer: Group 1 Hailsham BMW in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4dd71b613bfd
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 51,581 miles. Price: £18,325, £4,675 less than this car. Dealer: Grange. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-5712d3a146bb

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black, under a mile from this car. Mileage: 19,786 miles. Price: £24,000, £1,000 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-5a3c70a28591