2020 BMW 3 Series 2.0 320d M Sport

Price: £18,199. Fair price: £777 (4%) under the AskCar estimate of £18,976, 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 7 November 2026.

AskCar lists 7,202 used BMW 3 Series from 2,724 UK dealerships, as of 7 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 320d M Sport Auto RWD Euro 6 4dr (187 bhp)
  • Year: 2020
  • Mileage: 64,085 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 113 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 64,085 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 4,800 more miles than a typical 2020 BMW 3 Series. The AskCar estimate for this car is £18,976. It is priced at £18,199, which is £777 below that estimate. The AskCar estimate draws on 6,886 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is cinch Bellevue, based in Hart. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £777 (4%) under the AskCar estimate of £18,976.

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 7 November 2026.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 455 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2020 BMW 3 Series advertised today. About half of 2020 BMW 3 Series cars are gone from sale within a month of being advertised: 345 of the 721 first advertised between 7 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £18,199. 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 7 November 2026: valid until 3 June 2027.

It has had 5 MOTs. The latest, on 21 May 2026, passed.

Advisories at the latest test: rear brake pad(s) wearing thin.

Mileage at that test: 61,807 miles, which matches the advertised 64,085 miles.

Advertised mileage is about 4,800 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

69 other 2020 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £10,290 to £23,977, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 63,362 miles. Price: £19,995, £1,796 more than this car. Dealer: R S Car Sales in Crewe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-db7f141b1e35
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 65,000 miles. Price: £17,000, £1,199 less than this car. Dealer: Indus Motors in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6d3c91c5fed7
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 65,141 miles. Price: £18,694, £495 more than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-93a67c99b934

Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide

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Photos

32 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.