2020 BMW 3 Series 2.0 320d M Sport

Price: £19,945. Fair price: £219 (1%) over the AskCar estimate of £19,726, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,742 priced BMW 3 Series adverts on AskCar as of 2 November 2026.

AskCar lists 7,040 used BMW 3 Series from 2,692 UK dealerships, as of 2 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: 59,704 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 113 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport has covered 59,704 miles. The AskCar estimate for this car is £19,726. It is priced at £19,945, which is £219 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. This car was first seen in our listings data 19 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Gormley Car Sales in Maghera. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £219 (1%) over the AskCar estimate of £19,726.

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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 448 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 14 October 2026 at £19,945. 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 2 November 2026: valid until 22 September 2027.

It has had 5 MOTs. The latest, on 23 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 59,728 miles, which matches the advertised 59,704 miles.

Advertised mileage is about 700 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

64 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 2 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 60,000 miles. Price: £19,999, £54 more than this car. Dealer: Lookers in Newtownabbey. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ee5e466f9896
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 57,727 miles. Price: £19,400, £545 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-02ac51fb06fa
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 62,294 miles. Price: £16,750, £3,195 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-47f4dd3f3f89
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue, 8 miles from this car. Mileage: 85,000 miles. Price: £17,895, £2,050 less than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-27a3e5d97b03

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

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Photos

27 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.