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: 41,900 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 is advertised with 41,900 miles, approximately 11,300 below the typical mileage for its age. The dealer is asking £18,990, which is £225 above the AskCar estimate of £18,765. 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 £505 lower than when we first recorded the advert 40 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Redburn Motor Company, based in Blyth. 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: £225 (1%) over the AskCar estimate of £18,765.

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 40 days.

Price history

AskCar first saw this advert on 30 September 2026 at £19,495. Its asking price is now £18,990, £505 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 30 September 2026: £19,495
• 27 October 2026: £18,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 29 July 2027.

It has had 4 MOTs. The latest, on 10 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,565 miles, which matches the advertised 41,900 miles.

Advertised mileage is about 11,300 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, red. Mileage: 44,000 miles. Price: £19,950, £960 more than 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: 45,500 miles. Price: £16,500, £2,490 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, black. Mileage: 47,900 miles. Price: £19,990, £1,000 more than this car. Dealer: 1BR in Petersfield. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-c07130539606

• The nearest: 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, grey, 101 miles from this car. Mileage: 33,137 miles. Price: £18,995, the same price as this car. Dealer: Cars 2 Omoda Jaecoo Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-49fed62134ec