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 Auto RWD Euro 6 5dr (Professional Media) (181 bhp)
• Year: 2020
• Mileage: 59,473 miles
• Fuel: Petrol
• Body: Coupe, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series Gran Coupe M Sport is advertised with 59,473 miles, approximately 4,000 above the typical mileage for its age. The dealer is asking £16,998, which is £1,174 above the AskCar estimate of £15,824. To work out the AskCar estimate, we analyse UK dealer adverts for 1,195 BMW 4 Series Gran Coupe cars across different ages and specifications. We have tracked this advert for 1 day. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Derby Motorstore, based in Derby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,174 (7%) over the AskCar estimate of £15,824.

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 1,195 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 5 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 5 November 2026.

Time on sale

AskCar first saw this 2020 BMW 4 Series Gran Coupe advertised 1 day ago. About 4 in 10 of 2020 BMW 4 Series Gran Coupe cars are gone from sale within a month of being advertised: 38 of the 91 first advertised between 12 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £16,998. 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 5 November 2026: valid until 27 October 2027.

It failed its MOT on 28 October 2026 (parking brake efficiency less than 50% of the required value) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 59,484 miles, which matches the advertised 59,473 miles.

Advertised mileage is about 4,000 miles higher than the median mileage of a 2020 BMW 4 Series Gran Coupe on AskCar.

Similar cars

6 other 2020 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £14,995 to £20,498, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, black. Mileage: 59,303 miles. Price: £14,995, £2,003 less than this car. Dealer: John Grose Woodbridge in Woodbridge. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-b2ca0f25d3e8
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, white. Mileage: 52,997 miles. Price: £15,595, £1,403 less than this car. Dealer: John Grose OMODA in Ipswich. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-cb538dd3390c
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, black. Mileage: 49,098 miles. Price: £16,699, £299 less than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-85b282a0fb73

• The nearest: 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, white, 44 miles from this car. Mileage: 28,996 miles. Price: £18,899, £1,901 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-927f8fbea3f1