2020 BMW 3 Series 2.0 M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 MHT M Sport Auto Euro 6 4dr
• Year: 2020
• Mileage: 35,828 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: White
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 35,828 miles, approximately 23,900 below the typical mileage for its age. Its asking price of £23,000 is £213 above the AskCar estimate of £22,787. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. This car was first seen in our listings data 43 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at John Clark BMW Tayside in Dundee. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £213 (under 1%) over the AskCar estimate of £22,787.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 43 days.

Price history

AskCar first saw this advert on 22 September 2026 at £23,000. 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 4 November 2026: valid until 14 September 2027.

It failed its MOT on 7 September 2026 (offside rear tyre has a tear, caused by separation or partial failure of its structure; nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed later the same day.

Advisories at the latest test: offside front brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 35,441 miles, which matches the advertised 35,828 miles.

Advertised mileage is about 23,900 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

65 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 4 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 35,465 miles. Price: £21,991, £1,009 less than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-1573c20f77f7
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 36,300 miles. Price: £22,995, the same price as this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b3c4f7a74150
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 40,000 miles. Price: £23,395, £395 more than this car. Dealer: Williams Bmw Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-e4dbf161b889

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black, under a mile from this car. Mileage: 42,277 miles. Price: £21,995, £1,005 less than this car. Dealer: John Clark BMW Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-36e0664f391c