2020 BMW 3 Series 2.0 320d M Sport

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: 50,500 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport has covered 50,500 miles, around 9,100 fewer miles than is typical for its age. The dealer is asking £20,495, which is £252 below the AskCar estimate of £20,747. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 1 day ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Evolve Motor Company in Newport. 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: £252 (1%) under the AskCar estimate of £20,747.

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

AskCar first saw this 2020 BMW 3 Series advertised 1 day ago. About half of 2020 BMW 3 Series cars are gone from sale within a month of being advertised: 334 of the 699 first advertised between 7 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £20,495. 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 5 November 2026: valid until 15 May 2027.

It has had 4 MOTs. The latest, on 16 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 48,808 miles, which matches the advertised 50,500 miles.

Advertised mileage is about 9,100 miles lower 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, white. Mileage: 49,950 miles. Price: £22,449, £1,954 more than this car. Dealer: Paragon Cars London in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-18a1ad5e09e1
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 52,009 miles. Price: £20,990, £495 more than this car. Dealer: Eastern Western Motor Group Grassicks BMW in Perth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-40f72c3ccb0d
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 47,000 miles. Price: £22,500, £2,005 more than this car. Dealer: My Car Choice in Halifax. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-939c08799a58

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white, 26 miles from this car. Mileage: 67,000 miles. Price: £17,995, £2,500 less than this car. Dealer: Palmers Motor Company in Kingswood and Fishponds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-0f057e2ee304