2020 BMW 4 Series 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420i GPF M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2020
• Mileage: 51,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 51,000 miles on the clock, this 2020 BMW 4 Series M Sport has done roughly 7,200 more miles than a typical 2020 BMW 4 Series. The AskCar estimate for this car is £16,183. It is priced at £16,000, which is £183 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,810 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. Our records show an MOT expiry date of 16 July 2026, which has passed. Ask the dealer for an update. Its advertised mileage matches the government's MOT record. The seller is BWC Used Cars Telford, based in Telford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £183 (1%) under the AskCar estimate of £16,183.

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 1,810 priced BMW 4 Series adverts across different ages and specifications, as of 10 November 2026.

A 2020 BMW 4 Series with the 2.0 petrol engine is typically advertised at £19,600: the median of the 40 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2020 BMW 4 Series advertised today. About half of 2020 BMW 4 Series cars are gone from sale within a month of being advertised: 46 of the 86 first advertised between 10 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £16,000. 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 10 November 2026: the latest record we hold ran out on 16 July 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 17 July 2025, passed.

Advisories at the latest test: front brake pad(s) wearing thin; rear brake pad(s) wearing thin; front tyre slightly damaged/cracking or perishing offside / nearside; and 1 more.

Mileage at that test: 33,525 miles, which matches the advertised 51,000 miles.

Advertised mileage is about 7,200 miles higher than the median mileage of a 2020 BMW 4 Series on AskCar.

Similar cars

16 other 2020 BMW 4 Series M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £15,450 to £53,950, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 48,681 miles. Price: £17,750, £1,750 more than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-7d30aaaf8af3
• 2020 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 55,358 miles. Price: £20,950, £4,950 more than this car. Dealer: Cotswold Bmw Cheltenham in Cheltenham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-d240704c5612
• 2020 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 56,510 miles. Price: £15,450, £550 less than this car. Dealer: Perfect Car Company in Shrewsbury. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-e8532209a7e3