2020 BMW 4 Series 2.0 420d MHT M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420d MHT M Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)
• Year: 2020
• Mileage: 56,200 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series M Sport has covered 56,200 miles, around 12,400 more miles than is typical for its age. Its asking price of £21,990 is £1,714 above the AskCar estimate of £20,276. To work out the AskCar estimate, we analyse UK dealer adverts for 1,825 BMW 4 Series cars across different ages and specifications. We first recorded this car for sale today. The government's MOT record matches its advertised mileage. You can find this car at S James Prestige in Stamford. 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

Above the going rate: £1,714 (8%) over the AskCar estimate of £20,276.

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 1,825 priced BMW 4 Series adverts across different ages and specifications, as of 7 November 2026.

A 2020 BMW 4 Series with the 2.0 diesel engine is typically advertised at £19,500: the median of the 40 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2020 BMW 4 Series advertised today. About 6 in 10 of 2020 BMW 4 Series cars are gone from sale within a month of being advertised: 44 of the 79 first advertised between 10 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £21,990. 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 7 November 2026: valid until 8 November 2026.

It has had 3 MOTs. The latest, on 5 November 2025, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge tyre low + worn edges.

Mileage at that test: 43,864 miles, which matches the advertised 56,200 miles.

Advertised mileage is about 12,400 miles higher than the median mileage of a 2020 BMW 4 Series on AskCar.

Similar cars

9 other 2020 BMW 4 Series M Sport 2.0 diesel automatic coupes are for sale at UK dealers, from £13,899 to £21,995, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 56,500 miles. Price: £21,995, the same price as this car. Dealer: Grayswood Cars in Haslemere. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-7a160effa96a
• 2020 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 57,500 miles. Price: £17,490, £4,500 less than this car. Dealer: Spa Motors Mid Wales in Brecon. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-3dc3542f2247
• 2020 BMW 4 Series M Sport, 2.0 diesel coupe, grey. Mileage: 52,196 miles. Price: £14,100, £7,890 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-e6cde8d9d59e

• The nearest: 2020 BMW 4 Series M Sport, 2.0 diesel coupe, black, under a mile from this car. Mileage: 38,500 miles. Price: £17,990, £4,000 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-b005aeb8e6ed