2021 BMW 3 Series 2.0 330i M Sport

Price: £28,498. Fair price: £866 (3%) over the AskCar estimate of £27,632, 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 330i M Sport Auto RWD Euro 6 (s/s) 5dr Touring (254 bhp)
  • Year: 2021
  • Mileage: 34,786 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 254 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: White
  • CO2: 157 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 34,786 miles, around 20,000 fewer miles than is typical for its age. Its asking price of £28,498 is £866 above the AskCar estimate of £27,632. The AskCar estimate uses UK dealer asking prices, including 6,897 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 82 days ago. Its asking price has since fallen by £500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Irvine BMW, based in Irvine. 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: £866 (3%) over the AskCar estimate of £27,632.

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 82 days.

Price history

AskCar first saw this advert on 15 August 2026 at £28,998. Its asking price is now £28,498, £500 less. The latest price cut was seen on 24 September 2026.

Price changes recorded:

  • 15 August 2026: £28,998
  • 24 September 2026: £28,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 19 July 2027.

It has had 3 MOTs. The latest, on 13 July 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 34,412 miles, which matches the advertised 34,786 miles.

Advertised mileage is about 20,000 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

30 other 2021 BMW 3 Series M Sport 2.0 petrol automatic estates are for sale at UK dealers, from £14,495 to £29,990, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 petrol estate, blue. Mileage: 35,359 miles. Price: £23,990, £4,508 less than this car. Dealer: County Specialist Vehicles in Taunton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-27e2638df8af
  • 2021 BMW 3 Series M Sport, 2.0 petrol estate, grey. Mileage: 37,753 miles. Price: £21,490, £7,008 less than this car. Dealer: Swansway Garages Crewe Volkswagen in Crewe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-9e91b8d2f332
  • 2021 BMW 3 Series M Sport, 2.0 petrol estate, black. Mileage: 39,804 miles. Price: £22,599, £5,899 less than this car. Dealer: Halliwell Jones Southport BMW in Southport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-65859715219e
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol estate, grey, 46 miles from this car. Mileage: 67,128 miles. Price: £19,998, £8,500 less than this car. Dealer: Arnold Clark Stirling Volvo / GWM / BYD in Stirling. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-61b8f3e6ecca

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

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Photos

20 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.