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: 37,000 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: Blue
• CO2: 31 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 37,000 miles, around 18,200 fewer miles than is typical for its age. The dealer is asking £20,290, which is £1,024 below the AskCar estimate of £21,314. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. We first recorded this advert 19 days ago, and its asking price has since fallen by £200. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Dick Lovett in Potters BAR. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,024 (4%) under the AskCar estimate of £21,314.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 18 October 2026 at £20,490. Its asking price is now £20,290, £200 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 18 October 2026: £20,490
• 5 November 2026: £20,290

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 15 November 2026.

It has had 3 MOTs. The latest, on 7 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 25,320 miles, which matches the advertised 37,000 miles.

Advertised mileage is about 18,200 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

83 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 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 37,246 miles. Price: £20,490, £200 more than this car. Dealer: Motor Match Crewe in Crewe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-ffa206b1fb0c
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, grey. Mileage: 37,608 miles. Price: £21,330, £1,040 more than this car. Dealer: Vertu BMW Teesside in Teesside. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-af3b2a168928
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, grey. Mileage: 36,096 miles. Price: £20,999, £709 more than this car. Dealer: Halliwell Jones Chester BMW in Chester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c627b3162a53

• The nearest: 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, white, 6 miles from this car. Mileage: 49,000 miles. Price: £21,995, £1,705 more than this car. Dealer: GB Vehicles in Edgware. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-b5199f8c4cad