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: 59,500 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series Gran Coupe M Sport has covered 59,500 miles, around 5,200 more miles than is typical for its age. The dealer is asking £15,990, which is £838 above the AskCar estimate of £15,152. 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 car for sale 20 days ago. The government's MOT record matches its advertised mileage. You can find this car at M&C Specialist Motors in Abbots Langley. 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: £838 (5%) over the AskCar estimate of £15,152.

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 20 days.

Price history

AskCar first saw this advert on 19 October 2026 at £15,990. 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 22 April 2027.

It has had 6 MOTs. The latest, on 21 April 2026, passed.

Advisories at the latest test: inner brake disc worn, but not excessively both rear; nearside rear shock absorbers has light misting of oil; offside rear shock absorbers has light misting of oil.

Mileage at that test: 56,118 miles, which matches the advertised 59,500 miles.

Advertised mileage is about 5,200 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, black. Mileage: 58,000 miles. Price: £14,995, £995 less than this car. Dealer: Raymond Smith Garages in Bedford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-3ed1be86982e
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 62,484 miles. Price: £18,000, £2,010 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-fd8572c6f745
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 55,459 miles. Price: £14,950, £1,040 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-33fc41b6c0b2

• The nearest: 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white, 5 miles from this car. Mileage: 20,680 miles. Price: £18,450, £2,460 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-aed8b2d09398