2021 BMW 3 Series 2.0 320d MHT M Sport

Price: £17,991. Above the going rate: £1,662 (10%) over the AskCar estimate of £16,329, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,886 priced BMW 3 Series adverts on AskCar as of 14 November 2026.

AskCar lists 7,157 used BMW 3 Series from 2,692 UK dealerships, as of 14 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 320d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)
  • Year: 2021
  • Mileage: 91,128 miles
  • Fuel: Diesel, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 91,128 miles, around 36,900 more miles than is typical for its age. The dealer is asking £17,991, which is £1,662 above the AskCar estimate of £16,329. To work out the AskCar estimate, we analyse UK dealer adverts for 6,886 BMW 3 Series cars across different ages and specifications. We have tracked this advert for 3 days. Its advertised mileage matches the government's MOT record. It is for sale at Your Next Car in Nottingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

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Price

Above the going rate: £1,662 (10%) over the AskCar estimate of £16,329.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 14 November 2026.

Time on sale

AskCar first saw this 2021 BMW 3 Series advertised 3 days ago. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 457 of the 981 first advertised between 14 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £17,991. 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 14 November 2026: valid until 13 May 2027.

It has had 3 MOTs. The latest, on 14 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 81,915 miles, which matches the advertised 91,128 miles.

Advertised mileage is about 36,900 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

55 other 2021 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £12,699 to £25,495, as of 14 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 89,000 miles. Price: £15,989, £2,002 less than this car. Dealer: The Car Guys in Dunstable. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-9d378a0665af
  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 87,009 miles. Price: £18,950, £959 more than this car. Dealer: Ballinderry Car Sales in Lisburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1324a3aefdc2
  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 95,320 miles. Price: £14,895, £3,096 less than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3942132ae7ed
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue, 11 miles from this car. Mileage: 59,224 miles. Price: £18,060, £69 more than this car. Dealer: Evans Halshaw BYD Mansfield in Mansfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7c144ef5e598

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

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Photos

53 photos of this car are on its AskCar page.

As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.