2020 BMW 3 Series 2.0 M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320d M Sport Auto Euro 6 4dr (187 bhp)
• Year: 2020
• Mileage: 87,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Colour: Blue
• CO2: 113 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 87,000 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 27,000 more miles than a typical 2020 BMW 3 Series. Priced at £14,995, it is advertised £240 below the AskCar estimate of £15,235. The AskCar estimate uses UK dealer asking prices, including 6,902 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 30 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at GB Vehicles in Mill Hill. 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: £240 (1%) under the AskCar estimate of £15,235.

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 30 days.

Price history

AskCar first saw this advert on 7 October 2026 at £14,995. 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 30 January 2027.

It has had 4 MOTs. The latest, on 31 January 2026, passed.

Advisories at the latest test: DMS not reading due to emission reding low; nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 83,252 miles, which matches the advertised 87,000 miles.

Advertised mileage is about 27,000 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

68 other 2020 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £10,290 to £23,977, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 87,000 miles. Price: £15,995, £1,000 more than this car. Dealer: Junction 6 Motors in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-56c03a728bc0
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 85,000 miles. Price: £17,895, £2,900 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-27a3e5d97b03
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 83,282 miles. Price: £17,500, £2,505 more than this car. Dealer: Your Car Supermarket in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-83d1d1bb0ca8

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black, 5 miles from this car. Mileage: 57,727 miles. Price: £19,400, £4,405 more than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-02ac51fb06fa