2020 BMW 3 Series 2.0 318d MHT M Sport

Price: £15,995. Fair price: £562 (3%) over the AskCar estimate of £15,433, 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 318d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (148 bhp)
  • Year: 2020
  • Mileage: 82,000 miles
  • Fuel: Diesel, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 148 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 127 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 82,000 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 22,400 more miles than a typical 2020 BMW 3 Series. Its asking price of £15,995 is £562 above the AskCar estimate of £15,433. The AskCar estimate uses 6,897 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 61 days ago. Its asking price has since fallen by £2,000. The latest recorded MOT expiry date is 19 October 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by R L Motor Services Car Sales in Plymouth. 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: £562 (3%) over the AskCar estimate of £15,433.

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.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 461 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 61 days.

Price history

AskCar first saw this advert on 5 September 2026 at £17,995. Its asking price is now £15,995, £2,000 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 5 September 2026: £17,995
  • 5 October 2026: £17,495
  • 15 October 2026: £16,495
  • 22 October 2026: £15,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 19 October 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 15 October 2025, passed.

Advisories at the latest test: rear child seat fitted not allowing full inspection of adult belt; offside front tyre worn close to legal limit/worn on edge advise replacement; nearside front tyre worn close to legal limit/worn on edge advise replacement.

Mileage at that test: 75,480 miles, which matches the advertised 82,000 miles.

Advertised mileage is about 22,400 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

66 other 2020 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £9,990 to £23,977, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 83,000 miles. Price: £17,995, £2,000 more than this car. Dealer: Great Park Motors in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-a93c857cb580
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 83,282 miles. Price: £17,500, £1,505 more than this car. Dealer: Your Car Supermarket in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-83d1d1bb0ca8
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 79,952 miles. Price: £17,160, £1,165 more than this car. Dealer: Evans Halshaw Vauxhall Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6a93f50d7e8a
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue, 95 miles from this car. Mileage: 50,500 miles. Price: £20,495, £4,500 more than this car. Dealer: Evolve Motor Company in Newport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-98d6dfbaae9d

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

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Photos

49 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.