2021 BMW 3 Series 2.0 330i M Sport

Price: £29,990. Above the going rate: £3,284 (12%) over the AskCar estimate of £26,706, 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: 40,500 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 254 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 157 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 40,500 miles, approximately 14,300 below the typical mileage for its age. The dealer is asking £29,990, which is £3,284 above the AskCar estimate of £26,706. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 22 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Exoria Cars in Abbots Langley. 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

Above the going rate: £3,284 (12%) over the AskCar estimate of £26,706.

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 22 days.

Price history

AskCar first saw this advert on 14 October 2026 at £29,990. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 25 August 2027.

It failed its MOT on 26 August 2026 (windscreen washer not working) and passed later the same day.

Advisories at the latest test: offside front shock absorbers has light misting of oil oil leak.

Mileage at that test: 39,828 miles, which matches the advertised 40,500 miles.

Advertised mileage is about 14,300 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 £28,498, 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: 40,368 miles. Price: £26,900, £3,090 less than this car. Dealer: Berry Heathrow in Heathrow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-9be1f7737268
  • 2021 BMW 3 Series M Sport, 2.0 petrol estate, grey. Mileage: 40,356 miles. Price: £23,450, £6,540 less than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-dc1f5a4329eb
  • 2021 BMW 3 Series M Sport, 2.0 petrol estate, blue. Mileage: 40,953 miles. Price: £21,499, £8,491 less than this car. Dealer: Lookers BMW Stafford in Stafford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4b1908ca165e
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol estate, blue, 5 miles from this car. Mileage: 52,870 miles. Price: £20,250, £9,740 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3374642d7d9a

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

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Photos

50 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.