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 RWD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2020
• Mileage: 63,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 63,000 miles on the clock, this 2020 BMW 4 Series Gran Coupe M Sport has done roughly 8,700 more miles than a typical 2020 BMW 4 Series Gran Coupe. Priced at £17,495, it is advertised £917 above the AskCar estimate of £16,578. To work out the AskCar estimate, we analyse UK dealer adverts for 1,169 BMW 4 Series Gran Coupe cars across different ages and specifications. We first saw this car advertised 42 days ago. Its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. You can find this car at Moy Auto Services in Dungannon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £917 (5%) over the AskCar estimate of £16,578.

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 1,169 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 8 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 57 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2020 BMW 4 Series Gran Coupe has been on sale for at least 42 days.

Price history

AskCar first saw this advert on 27 September 2026 at £17,995. Its asking price is now £17,495, £500 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 27 September 2026: £17,995
• 14 October 2026: £17,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 28 August 2027.

It failed its MOT on 22 August 2025 and passed 7 days later, on 29 August 2025.

There were no advisories at the latest test.

Mileage at that test: 57,204 miles, which matches the advertised 63,000 miles.

Advertised mileage is about 8,700 miles higher 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 8 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, blue. Mileage: 62,324 miles. Price: £15,990, £1,505 less than this car. Dealer: Juniper Car Sales in Ripley. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-17f5c605f672
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, black. Mileage: 59,923 miles. Price: £15,990, £1,505 less than this car. Dealer: Direct Cars in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-02fa665eb5bd
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, black. Mileage: 55,972 miles. Price: £16,399, £1,096 less than this car. Dealer: cinch in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-8518229fb0f4

• The nearest: 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, red, 21 miles from this car. Mileage: 44,000 miles. Price: £19,950, £2,455 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-29c9650e3f58