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: 50,684 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 is advertised with 50,684 miles, approximately 4,100 below the typical mileage for its age. The AskCar estimate for this car is £19,622. It is priced at £20,500, which is £878 above that estimate. The AskCar estimate draws on 6,897 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 22 days ago. The government's MOT record matches its advertised mileage. You can find this car at Berry Thames Ditton BMW in Surbiton. 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: £878 (4%) over the AskCar estimate of £19,622.

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

This 2021 BMW 3 Series has been on sale for at least 22 days.

Price history

AskCar first saw this advert on 14 October 2026 at £20,500. 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 9 September 2027.

It has had 4 MOTs. The latest, on 7 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,443 miles, which matches the advertised 50,684 miles.

Advertised mileage is about 4,100 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, blue. Mileage: 50,787 miles. Price: £20,895, £395 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: 50,820 miles. Price: £19,995, £505 less than this car. Dealer: Arena Cars in Ash and Ash Vale. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a7a425593d5b
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, grey. Mileage: 49,928 miles. Price: £18,775, £1,725 less than this car. Dealer: HK Cars in Bolton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c03fbe879f57

• The nearest: 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, white, 8 miles from this car. Mileage: 51,640 miles. Price: £19,499, £1,001 less than this car. Dealer: ARJ Motors in Addlestone. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-294b79ca347b