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 Euro 6 (s/s) 5dr (181 bhp)
• Year: 2020
• Mileage: 44,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Colour: White
• CO2: 173 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series Gran Coupe M Sport has covered 44,000 miles, around 11,500 fewer miles than is typical for its age. Priced at £17,499, it is advertised £1,212 below the AskCar estimate of £18,711. The AskCar estimate uses 1,174 UK dealer adverts for the BMW 4 Series Gran Coupe, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 88 days ago. Its asking price has since fallen by £1,000. The government's MOT record matches its advertised mileage. It is for sale at Adam Performance in Rossendale. 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: £1,212 (6%) under the AskCar estimate of £18,711.

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 88 days.

Price history

AskCar first saw this advert on 11 August 2026 at £18,499. Its asking price is now £17,499, £1,000 less. The latest price cut was seen on 22 September 2026.

Price changes recorded:

• 11 August 2026: £18,499
• 3 September 2026: £17,999
• 22 September 2026: £17,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 16 January 2027.

It has had 4 MOTs. The latest, on 17 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,297 miles, which matches the advertised 44,000 miles.

Advertised mileage is about 11,500 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: 44,101 miles. Price: £15,960, £1,539 less 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, grey. Mileage: 43,593 miles. Price: £16,990, £509 less than this car. Dealer: Dick Lovett in Potters Bar. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-7a9941df0738
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 45,285 miles. Price: £16,399, £1,100 less 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

• The nearest: 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white, 58 miles from this car. Mileage: 32,760 miles. Price: £17,295, £204 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