2021 BMW 3 Series 2.0 330e M Sport

Price: £15,400. Fair price: £931 (5%) under the AskCar estimate of £16,331, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,897 priced BMW 3 Series adverts on AskCar as of 5 November 2026.

AskCar lists 7,194 used BMW 3 Series from 2,714 UK dealerships, as of 5 November 2026.

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: 76,600 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 76,600 miles, this 2021 BMW 3 Series M Sport has covered about 21,800 more miles than other 2021 BMW 3 Series cars. The dealer is asking £15,400, which is £931 below the AskCar estimate of £16,331. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first recorded this advert 30 days ago, and its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Select Cardiff, based in Cardiff. 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: £931 (5%) under the AskCar estimate of £16,331.

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 30 days.

Price history

AskCar first saw this advert on 6 October 2026 at £15,900. Its asking price is now £15,400, £500 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 6 October 2026: £15,900
  • 23 October 2026: £15,500
  • 27 October 2026: £15,900
  • 5 November 2026: £15,400

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 30 September 2027.

It has had 4 MOTs. The latest, on 1 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 76,380 miles, which matches the advertised 76,600 miles.

Advertised mileage is about 21,800 miles higher 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, black. Mileage: 76,274 miles. Price: £17,298, £1,898 more than this car. Dealer: Arnold Clark York Motorstore / Vanstore in York. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8ea0235be391
  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 75,066 miles. Price: £16,998, £1,598 more than this car. Dealer: Arnold Clark Mercedes-Benz Of Perth in Perth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1de929224802
  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, grey. Mileage: 79,000 miles. Price: £18,495, £3,095 more than this car. Dealer: DB Luxury Cars in Torquay. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-e369b2170137
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, black, 20 miles from this car. Mileage: 58,888 miles. Price: £20,499, £5,099 more than this car. Dealer: Car Quest in Ebbw Vale. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-76da339cd810

Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide

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Photos

29 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.