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 GPF M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2020
• Mileage: 66,780 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 66,780 miles, this 2020 BMW 4 Series Gran Coupe M Sport has covered about 12,500 more miles than other 2020 BMW 4 Series Gran Coupe cars. The dealer is asking £14,750, which is £379 above the AskCar estimate of £14,371. 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 first recorded this advert 164 days ago, and its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. You can find this car at Motorland Motors in Ilford. 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: £379 (2%) over the AskCar estimate of £14,371.

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

This 2020 BMW 4 Series Gran Coupe has been on sale for at least 164 days.

Price history

AskCar first saw this advert on 28 May 2026 at £15,250. Its asking price is now £14,750, £500 less. The latest price cut was seen on 23 August 2026.

Price changes recorded:

• 28 May 2026: £15,250
• 8 July 2026: £14,999
• 23 August 2026: £14,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 16 November 2026.

It failed its MOT on 4 November 2025 (front headlamp aim too low) and passed later the same day.

Advisories at the latest test: offside rear shock absorbers has light misting of oil shock absorber has light misting of oil.

Mileage at that test: 61,173 miles, which matches the advertised 66,780 miles.

Advertised mileage is about 12,500 miles higher 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 £19,850, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 67,576 miles. Price: £14,488, £262 less than this car. Dealer: Jeff White Motors in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-0d3e85460f48
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 70,000 miles. Price: £14,590, £160 less than this car. Dealer: Aylas Cars in Slough. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-ee363e8dcd3a
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue. Mileage: 70,881 miles. Price: £14,995, £245 more than this car. Dealer: Yaddlethorpe Motor Company Yaddlethorpe Motor Co in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-37f60d8ea2be

• The nearest: 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white, 11 miles from this car. Mileage: 55,459 miles. Price: £14,950, £200 more than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-33fc41b6c0b2