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 (s/s) 5dr (181 bhp)
• Year: 2020
• Mileage: 19,206 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 19,206 miles on the clock, this 2020 BMW 4 Series Gran Coupe M Sport has done roughly 36,300 fewer miles than a typical 2020 BMW 4 Series Gran Coupe. The dealer is asking £19,850, which is £538 below the AskCar estimate of £20,388. 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. The government's MOT record matches its advertised mileage. You can find this car at Sytner Land Rover Conwy in Llandudno Junction. 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: £538 (2%) under the AskCar estimate of £20,388.

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 petrol 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 £19,850. 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 9 February 2027.

It has had 5 MOTs. The latest, on 27 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 17,105 miles, which matches the advertised 19,206 miles.

Advertised mileage is about 36,300 miles lower than the median mileage of a 2020 BMW 4 Series Gran Coupe on AskCar.

Similar cars

22 other 2020 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £11,495 to £18,990, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 20,680 miles. Price: £18,450, £1,400 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-aed8b2d09398
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey. Mileage: 26,100 miles. Price: £17,499, £2,351 less than this car. Dealer: K Motors London in New Malden. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-9421ee076b12
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 32,760 miles. Price: £17,295, £2,555 less than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-4c05dfb5a163

• The nearest: 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white, 67 miles from this car. Mileage: 44,000 miles. Price: £17,499, £2,351 less than this car. Dealer: Adam Performance in Haslingden. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-db1dfbac4c6c