2020 BMW 3 Series 2.0 320d M Sport

Price: £11,800. Far below the going rate: £8,460 (41%) under the AskCar estimate of £20,260, 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. Worth asking the dealer why.

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 320d M Sport Auto RWD Euro 6 (s/s) 5dr Touring (187 bhp)
  • Year: 2020
  • Mileage: 63,100 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 118 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport has covered 63,100 miles, around 3,500 more miles than is typical for its age. The dealer is asking £11,800, which is £8,460 below the AskCar estimate of £20,260. We recommend confirming the advertised price and vehicle details. The AskCar estimate draws on 6,897 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 41 days. Its advertised mileage matches the government's MOT record. You can find this car at Taylors Pitstop in Horley. 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

Far below the going rate: £8,460 (41%) under the AskCar estimate of £20,260. Worth asking the dealer why.

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 41 days.

Price history

AskCar first saw this advert on 25 September 2026 at £9,500. Its asking price is now £11,800, £2,300 more.

Price changes recorded:

  • 1 November 2026: £9,500
  • 4 November 2026: £11,800

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 24 June 2027.

It has had 4 MOTs. The latest, on 25 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 63,090 miles, which matches the advertised 63,100 miles.

Advertised mileage is about 3,500 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 £13,950 to £24,999, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 63,231 miles. Price: £18,700, £6,900 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ac5bea5c47a6
  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 63,542 miles. Price: £20,999, £9,199 more than this car. Dealer: Haslucks Green Motor Company in Solihull. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-7a1dc9858d96
  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 62,208 miles. Price: £19,298, £7,498 more than this car. Dealer: CarSupermarket.com Hessle in Hessle. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ce1754fa741b
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, black, 30 miles from this car. Mileage: 76,358 miles. Price: £16,595, £4,795 more than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-07bbc92b8453

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

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Photos

20 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.