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: 45,750 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 45,750 miles on the clock, this 2020 BMW 4 Series Gran Coupe M Sport has done roughly 9,700 fewer miles than a typical 2020 BMW 4 Series Gran Coupe. The dealer is asking £15,660, which is £2,095 below the AskCar estimate of £17,755. 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. The asking price is now £590 lower than when we first recorded the advert 7 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Hilton Garage, based in Derby. 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

Good value: £2,095 (11%) under the AskCar estimate of £17,755.

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 7 days.

Price history

AskCar first saw this advert on 31 October 2026 at £16,250. Its asking price is now £15,660, £590 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 31 October 2026: £16,250
• 2 November 2026: £15,580
• 5 November 2026: £15,460
• 7 November 2026: £15,660

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 8 March 2027.

It has had 4 MOTs. The latest, on 20 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,598 miles, which matches the advertised 45,750 miles.

Advertised mileage is about 9,700 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 £19,850, 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: 45,285 miles. Price: £16,399, £739 more than this car. Dealer: Eastern Western Motor Group Car Deal Warehouse Superstore Newbridge in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-bfe5b7e601bb
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 44,101 miles. Price: £15,960, £300 more than this car. Dealer: Hippo Motor Group Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-4e846158bdc0
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 44,000 miles. Price: £17,499, £1,839 more than this car. Dealer: Adam Performance in Haslingden. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-db1dfbac4c6c

• The nearest: 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black, under a mile from this car. Mileage: 38,507 miles. Price: £16,260, £600 more than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-8a50a56cdac8