2020 BMW 4 Series 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2020
• Mileage: 14,941 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 151 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series M Sport is advertised with 14,941 miles, approximately 28,200 below the typical mileage for its age. Priced at £22,510, it is advertised £1,003 below the AskCar estimate of £23,513. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 156 days, and its asking price is down £2,040. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Big Motoring World Leeds, based in Leeds. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,003 (4%) under the AskCar estimate of £23,513.

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 1,833 priced BMW 4 Series adverts across different ages and specifications, as of 5 November 2026.

A 2020 BMW 4 Series with the 2.0 petrol engine is typically advertised at £19,400: the median of the 38 for sale on AskCar, as of 5 November 2026.

Time on sale

The dealer may accept less. This 2020 BMW 4 Series has been on sale for at least 156 days, and its asking price has been cut by £2,040. About 6 in 10 of 2020 BMW 4 Series cars are gone from sale within a month of being advertised: 43 of the 78 first advertised between 10 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 2 June 2026 at £24,550. Its asking price is now £22,510, £2,040 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 2 June 2026: £24,550
• 22 June 2026: £24,050
• 23 June 2026: £23,700
• 30 June 2026: £23,360
• 10 July 2026: £23,740
• 9 September 2026: £22,880
• 16 September 2026: £22,900
• 20 September 2026: £22,820
• 24 September 2026: £22,790
• 26 September 2026: £22,840
• 29 September 2026: £22,900
• 1 October 2026: £22,890
• 3 October 2026: £22,930
• 6 October 2026: £23,010
• 7 October 2026: £23,020
• 8 October 2026: £23,030
• 9 October 2026: £23,020
• 10 October 2026: £23,010
• 13 October 2026: £22,990
• 16 October 2026: £22,970
• 17 October 2026: £23,010
• 29 October 2026: £22,510

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 11 December 2026.

It has had 3 MOTs. The latest, on 13 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 14,200 miles, which matches the advertised 14,941 miles.

Advertised mileage is about 28,200 miles lower than the median mileage of a 2020 BMW 4 Series on AskCar.

Similar cars

15 other 2020 BMW 4 Series M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £14,790 to £53,950, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 19,927 miles. Price: £16,350, £6,160 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-74ef8c894940
• 2020 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 20,668 miles. Price: £19,495, £3,015 less than this car. Dealer: Park's Motor Group Park's Arbroath in Arbroath. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-ff66b41870bc
• 2020 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 28,023 miles. Price: £20,010, £2,500 less than this car. Dealer: Big Motoring World Camberley in Camberley. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-5eba3fdb40a8

• The nearest: 2020 BMW 4 Series M Sport, 2.0 petrol coupe, white, 28 miles from this car. Mileage: 43,767 miles. Price: £23,495, £985 more than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-a53aaf419522