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: 36,096 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: Grey
• CO2: 31 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 36,096 miles, this 2021 BMW 3 Series M Sport has covered about 19,100 fewer miles than other 2021 BMW 3 Series cars. The dealer is asking £20,999, which is £236 below the AskCar estimate of £21,235. To work out the AskCar estimate, we analyse UK dealer adverts for 6,886 BMW 3 Series cars across different ages and specifications. We have tracked this advert for 6 days. Its advertised mileage matches the government's MOT record. The seller is Halliwell Jones Chester BMW, based in Chester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £236 (1%) under the AskCar estimate of £21,235.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 November 2026.

Time on sale

AskCar first saw this 2021 BMW 3 Series advertised 6 days ago. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 436 of the 925 first advertised between 10 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 1 November 2026 at £20,999. 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 7 November 2026: valid until 28 October 2027.

It has had 5 MOTs. The latest, on 29 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,066 miles, which matches the advertised 36,096 miles.

Advertised mileage is about 19,100 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

81 other 2021 BMW 3 Series M Sport 2.0 plug-in hybrid automatic saloons are for sale at UK dealers, from £13,995 to £24,995, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, orange. Mileage: 35,788 miles. Price: £20,460, £539 less than this car. Dealer: Big Motoring World Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-590bb00e5e99
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 37,000 miles. Price: £20,290, £709 less than this car. Dealer: Dick Lovett in Potters Bar. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-47eed72704cc
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 35,187 miles. Price: £19,599, £1,400 less than this car. Dealer: Motor Match Bolton in Bolton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-03a310916545

• The nearest: 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue, 22 miles from this car. Mileage: 37,246 miles. Price: £20,490, £509 less than this car. Dealer: Motor Match Crewe in Crewe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-ffa206b1fb0c