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: 49,928 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

This 2021 BMW 3 Series M Sport has covered 49,928 miles, around 4,900 fewer miles than is typical for its age. The AskCar estimate for this car is £19,710. It is priced at £18,775, which is £935 below 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 today. The government's MOT record matches its advertised mileage. It is for sale at HK Cars in Bolton. 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: £935 (4%) under the AskCar estimate of £19,710.

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 today. 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 5 November 2026 at £18,775. 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 October 2027.

It has had 4 MOTs. The latest, on 30 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 49,351 miles, which matches the advertised 49,928 miles.

Advertised mileage is about 4,900 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

84 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 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, grey. Mileage: 50,684 miles. Price: £20,500, £1,725 more than this car. Dealer: Berry Thames Ditton BMW in Thames Ditton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1ad0afe5b019
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 50,787 miles. Price: £20,895, £2,120 more than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-ec068611d6ec
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 49,049 miles. Price: £18,999, £224 more than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-d3052fecf0cb

• The nearest: 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, grey, under a mile from this car. Mileage: 68,895 miles. Price: £18,422, £353 less than this car. Dealer: HK Cars in Bolton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a438e5ec8246