2020 BMW 4 Series Gran Coupe 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series Gran Coupe
• Trim: M Sport
• Version: 2.0 420i M Sport Manual RWD Euro 6 5dr (Professional Media) (181 bhp)
• Year: 2020
• Mileage: 42,150 miles
• Fuel: Petrol
• Body: Coupe, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: White
• CO2: 170 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series Gran Coupe M Sport is advertised with 42,150 miles, approximately 12,200 below the typical mileage for its age. The dealer is asking £15,300, which is £512 below the AskCar estimate of £15,812. 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 have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Marshall Volkswagen Milton Keynes, based in Milton Keynes. 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: £512 (3%) under the AskCar estimate of £15,812.

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 petrol engine is typically advertised at £16,000: the median of the 57 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2020 BMW 4 Series Gran Coupe advertised today. About 4 in 10 of 2020 BMW 4 Series Gran Coupe cars are gone from sale within a month of being advertised: 40 of the 94 first advertised between 12 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 8 November 2026 at £15,300. 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 8 November 2026: valid until 18 June 2027.

It has had 5 MOTs. The latest, on 6 June 2026, passed.

Advisories at the latest test: nearside front windscreen wiper blade defective partially smearing.

Mileage at that test: 39,079 miles, which matches the advertised 42,150 miles.

Advertised mileage is about 12,200 miles lower than the median mileage of a 2020 BMW 4 Series Gran Coupe on AskCar.

Similar cars

1 other 2020 BMW 4 Series Gran Coupe M Sport 2.0 petrol manual coupe is for sale at UK dealers, as of 8 November 2026.

The closest to this car in mileage:

• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, white. Mileage: 48,806 miles. Price: £13,770, £1,530 less than this car. Dealer: Evans Halshaw Vauxhall Horsforth in Horsforth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-3e3992abd639