2020 BMW 3 Series 2.0 320d M Sport

Price: £19,000. Fair price: £1,067 (5%) over the AskCar estimate of £17,933, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,902 priced BMW 3 Series adverts on AskCar as of 6 November 2026.

AskCar lists 7,204 used BMW 3 Series from 2,726 UK dealerships, as of 6 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 320d M Sport Auto RWD Euro 6 (s/s) 5dr Touring (187 bhp)
  • Year: 2020
  • Mileage: 79,000 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: White
  • CO2: 118 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 79,000 miles, this 2020 BMW 3 Series M Sport has covered about 19,000 more miles than other 2020 BMW 3 Series cars. The dealer is asking £19,000, which is £1,067 above the AskCar estimate of £17,933. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale 22 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is BWC Used Cars Telford, based in Telford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,067 (5%) over the AskCar estimate of £17,933.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 462 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 22 days.

Price history

AskCar first saw this advert on 15 October 2026 at £19,000. 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 6 November 2026: valid until 10 August 2027.

It failed its MOT on 30 July 2026 (engine MIL inoperative or indicates a malfunction; nearside front track rod end ball joint has excessive play) and passed 12 days later, on 11 August 2026.

Advisories at the latest test: oil leak, but not excessive; rear tyres wearing on inside edges.

Mileage at that test: 79,335 miles, which matches the advertised 79,000 miles.

Advertised mileage is about 19,000 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

37 other 2020 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £11,800 to £24,999, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 78,628 miles. Price: £17,950, £1,050 less than this car. Dealer: Gormley Car Sales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-295393c9b4b7
  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 79,661 miles. Price: £18,999, the same price as this car. Dealer: Wearside Autoparc in Sunderland. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-5054c607634a
  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 78,000 miles. Price: £19,995, £995 more than this car. Dealer: The Car Barns in Welford-on-Avon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-36d999d59caf
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, grey, 28 miles from this car. Mileage: 71,299 miles. Price: £18,495, £505 less than this car. Dealer: Angus Mackinnon in Uttoxeter. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3e09a54fbdb4

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

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Photos

8 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.