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: 76,124 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 76,124 miles, approximately 20,700 above the typical mileage for its age. The dealer is asking £14,999, which is £54 below the AskCar estimate of £15,053. 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. This car was first seen in our listings data 9 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is TU Motors, based in Luton. 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: £54 (under 1%) under the AskCar estimate of £15,053.

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 9 days.

Price history

AskCar first saw this advert on 29 October 2026 at £14,999. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 18 October 2027.

It has had 6 MOTs. The latest, on 19 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 76,122 miles, which matches the advertised 76,124 miles.

Advertised mileage is about 20,700 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 7 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, grey. Mileage: 76,060 miles. Price: £16,493, £1,494 more than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-432dbc8a67cc
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, grey. Mileage: 75,000 miles. Price: £14,490, £509 less than this car. Dealer: Aylas Cars in Slough. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-a553a13c34ce
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, black. Mileage: 74,000 miles. Price: £17,495, £2,496 more than this car. Dealer: Derwent Motors in Derby. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-e5680d7a8c3c

• The nearest: 2020 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, white, 16 miles from this car. Mileage: 18,000 miles. Price: £22,280, £7,281 more than this car. Dealer: Wembley Prestige Cars in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-8e66404bca32