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: 42,277 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: Black
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 42,277 miles, this 2020 BMW 3 Series M Sport has covered about 17,300 fewer miles than other 2020 BMW 3 Series cars. The AskCar estimate for this car is £21,913. It is priced at £21,995, which is £82 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 129 days ago, the asking price has dropped by £2,505. The recorded MOT expired on 25 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale 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 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £82 (under 1%) over the AskCar estimate of £21,913.

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 129 days.

Price history

AskCar first saw this advert on 29 June 2026 at £24,500. Its asking price is now £21,995, £2,505 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 29 June 2026: £24,500
• 9 July 2026: £24,000
• 6 October 2026: £22,600
• 14 October 2026: £21,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 25 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 1 September 2025, passed.

Advisories at the latest test: rear brake pad(s) wearing thin.

Mileage at that test: 31,752 miles, which matches the advertised 42,277 miles.

Advertised mileage is about 17,300 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, grey. Mileage: 42,701 miles. Price: £21,050, £945 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-8e642ff20065
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 41,455 miles. Price: £22,600, £605 more than this car. Dealer: MINI UK at John Clark Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-5635b313d585
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 41,030 miles. Price: £19,820, £2,175 less than this car. Dealer: Evans Halshaw Vauxhall Kilmarnock in Kilmarnock. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ead813f10a83

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white, under a mile from this car. Mileage: 35,828 miles. Price: £23,000, £1,005 more than this car. Dealer: John Clark BMW Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-e19d8dd8f67a