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: 51,481 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 51,481 miles, approximately 3,400 below the typical mileage for its age. Its asking price of £17,633 is £1,853 below the AskCar estimate of £19,486. The AskCar estimate uses UK dealer asking prices, including 6,822 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 164 days ago, the asking price has dropped by £904. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Carbase Bristol, based in Bristol. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Good value: £1,853 (9%) under the AskCar estimate of £19,486.

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 6,822 priced BMW 3 Series adverts across different ages and specifications, as of 8 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 164 days.

Price history

AskCar first saw this advert on 28 May 2026 at £18,537. Its asking price is now £17,633, £904 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 28 May 2026: £18,537
• 29 May 2026: £18,506
• 1 June 2026: £18,529
• 2 June 2026: £18,527
• 3 June 2026: £18,343
• 4 June 2026: £18,324
• 16 June 2026: £18,581
• 17 June 2026: £18,544
• 18 June 2026: £18,571
• 19 June 2026: £18,369
• 22 June 2026: £18,430
• 23 June 2026: £18,491
• 24 June 2026: £18,358
• 26 June 2026: £18,350
• 29 June 2026: £18,347
• 30 June 2026: £18,340
• 2 July 2026: £18,343
• 3 July 2026: £18,341
• 4 July 2026: £18,328
• 6 July 2026: £18,388
• 9 July 2026: £18,516
• 11 July 2026: £18,519
• 13 July 2026: £18,506
• 18 July 2026: £18,501
• 20 July 2026: £18,466
• 24 July 2026: £18,464
• 25 July 2026: £18,458
• 27 July 2026: £18,250
• 4 August 2026: £18,387
• 6 August 2026: £18,422
• 11 August 2026: £18,395
• 14 August 2026: £18,381
• 15 August 2026: £18,371
• 18 August 2026: £18,349
• 20 August 2026: £18,333
• 21 August 2026: £18,379
• 22 August 2026: £18,425
• 25 August 2026: £18,261
• 26 August 2026: £18,265
• 27 August 2026: £18,254
• 28 August 2026: £18,250
• 29 August 2026: £18,341
• 2 September 2026: £18,224
• 5 September 2026: £18,222
• 8 September 2026: £18,190
• 9 September 2026: £18,178
• 10 September 2026: £18,164
• 11 September 2026: £18,154
• 22 September 2026: £18,141
• 23 September 2026: £18,134
• 24 September 2026: £18,107
• 26 September 2026: £18,000
• 10 October 2026: £17,893
• 17 October 2026: £17,706
• 27 October 2026: £17,633

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 2 April 2027.

It has had 5 MOTs. The latest, on 3 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 51,482 miles, which matches the advertised 51,481 miles.

Advertised mileage is about 3,400 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

80 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 8 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, white. Mileage: 51,640 miles. Price: £19,499, £1,866 more than this car. Dealer: ARJ Motors in Addlestone. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-294b79ca347b
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 50,787 miles. Price: £20,895, £3,262 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, grey. Mileage: 50,684 miles. Price: £20,500, £2,867 more than this car. Dealer: Berry Thames Ditton BMW in Thames Ditton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1ad0afe5b019

• The nearest: 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, orange, 9 miles from this car. Mileage: 70,600 miles. Price: £18,250, £617 more than this car. Dealer: Chipping Sodbury Motor Company in Chipping Sodbury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a102f08b3d1e