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: 85,370 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series Gran Coupe M Sport has covered 85,370 miles, around 29,900 more miles than is typical for its age. Priced at £13,614, it is advertised £444 below the AskCar estimate of £14,058. To work out the AskCar estimate, we analyse UK dealer adverts for 1,174 BMW 4 Series Gran Coupe cars across different ages and specifications. We first recorded this advert 38 days ago, and its asking price has since fallen by £386. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by A13 Cars in Barking. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £444 (3%) under the AskCar estimate of £14,058.

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 1,174 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 7 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 56 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 BMW 4 Series Gran Coupe has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 30 September 2026 at £14,000. Its asking price is now £13,614, £386 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 30 September 2026: £14,000
• 1 October 2026: £14,650
• 22 October 2026: £14,000
• 7 November 2026: £13,614

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 8 September 2027.

It has had 4 MOTs. The latest, on 9 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 85,457 miles, which matches the advertised 85,370 miles.

Advertised mileage is about 29,900 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 7 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, blue. Mileage: 83,000 miles. Price: £14,500, £886 more than this car. Dealer: CSW Automotive in Stafford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-d6f94e7cdc12
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, blue. Mileage: 91,000 miles. Price: £15,250, £1,636 more than this car. Dealer: Precision Motor Group in Harlow. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-f7749995ef9c
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, blue. Mileage: 76,124 miles. Price: £14,999, £1,385 more than this car. Dealer: TU Motors in Luton. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-ed56cb42e510