2021 BMW 3 Series 2.0 330e M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 12kWh 330e M Sport Auto RWD Euro 6 (s/s) 4dr (288 bhp)
• Year: 2021
• Mileage: 56,700 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 288 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 31 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 56,700 miles on the clock. Its asking price of £18,490 is £637 below the AskCar estimate of £19,127. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. The asking price is now £500 lower than when we first recorded the advert 90 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is S James Prestige, based in Stamford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £637 (3%) under the AskCar estimate of £19,127.

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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 90 days.

Price history

AskCar first saw this advert on 4 August 2026 at £18,990. Its asking price is now £18,490, £500 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 5 August 2026: £18,990
• 22 October 2026: £18,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 April 2027.

It has had 4 MOTs. The latest, on 27 March 2026, passed.

Advisories at the latest test: floor trays fitted to underside of car.

Mileage at that test: 54,136 miles, which matches the advertised 56,700 miles.

Advertised mileage is about 1,700 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

77 other 2021 BMW 3 Series M Sport 2.0 plug-in hybrid automatic saloons are for sale at UK dealers, from £10,499 to £24,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 56,300 miles. Price: £16,950, £1,540 less than this car. Dealer: Cotswolds Cars And Commercials in Coventry. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-033de68d0afa
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 56,000 miles. Price: £19,490, £1,000 more than this car. Dealer: Oakley Prestige in Newbury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-51ef26ed4b91
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 57,885 miles. Price: £17,699, £791 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-e2cbfaabf361

• The nearest: 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, orange, 11 miles from this car. Mileage: 79,969 miles. Price: £15,990, £2,500 less than this car. Dealer: Motor Zone Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-ad9c66fe1a45