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 2dr (181 bhp)
• Year: 2020
• Mileage: 56,510 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series M Sport has covered 56,510 miles, around 14,000 more miles than is typical for its age. Priced at £15,450, it is advertised £2,507 below the AskCar estimate of £17,957. The AskCar estimate draws on 1,787 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 1 day ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Perfect Car Company, based in Shrewsbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £2,507 (13%) under the AskCar estimate of £17,957.

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 1,787 priced BMW 4 Series adverts across different ages and specifications, as of 2 November 2026.

A 2020 BMW 4 Series with the 2.0 petrol engine is typically advertised at £19,500: the median of the 37 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2020 BMW 4 Series advertised 1 day ago. About half of 2020 BMW 4 Series cars are gone from sale within a month of being advertised: 39 of the 74 first advertised between 10 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 1 November 2026 at £15,450. 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 2 November 2026: valid until 24 April 2027.

It has had 5 MOTs. The latest, on 24 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,664 miles, which matches the advertised 56,510 miles.

Advertised mileage is about 14,000 miles higher than the median mileage of a 2020 BMW 4 Series on AskCar.

Similar cars

14 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 2 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 63,000 miles. Price: £14,790, £660 less than this car. Dealer: Dawn Motors in Canterbury. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-bb099ef14ad0
• 2020 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 65,356 miles. Price: £20,199, £4,749 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-e21ef46b82c9
• 2020 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 43,767 miles. Price: £23,495, £8,045 more than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-a53aaf419522