2021 BMW 3 Series 2.0 330i M Sport

Price: £28,498. Fair price: £959 (3%) over the AskCar estimate of £27,539, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,864 priced BMW 3 Series adverts on AskCar as of 10 November 2026.

AskCar lists 7,127 used BMW 3 Series from 2,713 UK dealerships, as of 10 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: 34,840 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

With 34,840 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 19,900 fewer miles than a typical 2021 BMW 3 Series. The AskCar estimate for this car is £27,539. It is priced at £28,498, which is £959 above that estimate. The AskCar estimate uses 6,864 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 84 days ago. 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 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 10 November 2026.

How we estimate prices and check cars

Arnold Clark Irvine BMW is rated 4.1 out of 5 on Google.

Price

Fair price: £959 (3%) over the AskCar estimate of £27,539.

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 6,864 priced BMW 3 Series adverts across different ages and specifications, as of 10 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 84 days.

Price history

AskCar first saw this advert on 18 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:

  • 18 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 10 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 34,840 miles.

Advertised mileage is about 19,900 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 £13,995 to £29,990, as of 10 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, black. Mileage: 39,815 miles. Price: £22,499, £5,999 less than this car. Dealer: Halliwell Jones Southport BMW in Southport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-65859715219e
  • 2021 BMW 3 Series M Sport, 2.0 petrol estate, grey. Mileage: 40,356 miles. Price: £23,450, £5,048 less than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-dc1f5a4329eb
  • 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 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.