2020 BMW 4 Series Gran Coupe 2.0 420d M Sport

Overview

• Make: BMW
• Model: 4 Series Gran Coupe
• Trim: M Sport
• Version: 2.0 420d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2020
• Mileage: 47,900 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series Gran Coupe M Sport has covered 47,900 miles, around 5,300 fewer miles than is typical for its age. The dealer is asking £19,990, which is £1,219 above the AskCar estimate of £18,771. To work out the AskCar estimate, we analyse UK dealer adverts for 1,170 BMW 4 Series Gran Coupe cars across different ages and specifications. The asking price is now £1,000 lower than when we first recorded the advert 133 days ago. Our latest MOT record expired on 1 October 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at 1BR in Petersfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,219 (6%) over the AskCar estimate of £18,771.

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 1,170 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 9 November 2026.

A 2020 BMW 4 Series Gran Coupe with the 2.0 diesel engine is typically advertised at £16,000: the median of the 58 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2020 BMW 4 Series Gran Coupe has been on sale for at least 133 days.

Price history

AskCar first saw this advert on 29 June 2026 at £20,990. Its asking price is now £19,990, £1,000 less. The latest price cut was seen on 25 September 2026.

Price changes recorded:

• 29 June 2026: £20,990
• 25 September 2026: £19,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: the latest record we hold ran out on 1 October 2026; ask the dealer for the current MOT.

It failed its MOT on 1 October 2025 (offside front upper windscreen damaged but not adversely affecting driver's view; offside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed 1 day later, on 2 October 2025.

Advisories at the latest test: offside front upper windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 39,425 miles, which matches the advertised 47,900 miles.

Advertised mileage is about 5,300 miles lower than the median mileage of a 2020 BMW 4 Series Gran Coupe on AskCar.

Similar cars

17 other 2020 BMW 4 Series Gran Coupe M Sport 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £13,449 to £22,280, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, blue. Mileage: 45,500 miles. Price: £16,500, £3,490 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-f2726db871a5
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, red. Mileage: 44,000 miles. Price: £19,950, the same price as this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-29c9650e3f58
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, blue. Mileage: 41,900 miles. Price: £18,990, £1,000 less than this car. Dealer: Redburn Motor Company in Blyth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-230910c5a637

• The nearest: 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, grey, 20 miles from this car. Mileage: 76,060 miles. Price: £16,493, £3,497 less than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-432dbc8a67cc