2020 BMW 4 Series 2.0 M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 GPF M Sport Auto RWD Euro 6 (s/s) 2dr
• Year: 2020
• Mileage: 36,439 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 143 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series M Sport has covered 36,439 miles, around 6,700 fewer miles than is typical for its age. The dealer is asking £18,499, which is £689 below the AskCar estimate of £19,188. 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 148 days, and its asking price has been cut by £1,000. Its advertised mileage matches the government's MOT record. It is advertised by Sandles Cars in Kings Lynn. 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: £689 (3%) under the AskCar estimate of £19,188.

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 148 days, and its asking price has been cut by £1,000. 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 10 June 2026 at £19,499. Its asking price is now £18,499, £1,000 less. The latest price cut was seen on 23 September 2026.

Price changes recorded:

• 10 June 2026: £19,499
• 23 July 2026: £18,999
• 27 August 2026: £18,699
• 23 September 2026: £18,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 30 March 2027.

It failed its MOT on 26 March 2026 (nearside front inner tyre has ply or cords exposed; offside front inner tyre tread depth below requirements of 1.6mm; offside rear tyre has a bulge, caused by separation or partial failure of its structure) and passed 2 days later, on 28 March 2026.

There were no advisories at the latest test.

Mileage at that test: 35,652 miles, which matches the advertised 36,439 miles.

Advertised mileage is about 6,700 miles lower than the median mileage of a 2020 BMW 4 Series on AskCar.

Similar cars

2 other 2020 BMW 4 Series M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £20,000 to £22,490, as of 5 November 2026.

The 2 closest to this car in mileage:

• 2020 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 26,211 miles. Price: £20,000, £1,501 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-60b8d0a43659
• 2020 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 5,000 miles. Price: £22,490, £3,991 more than this car. Dealer: Sk Car Sales . Com in Enfield. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-da0fa4f6d614