2018 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: 2018
• Mileage: 54,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Red
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 54,000 miles, this 2018 BMW 4 Series M Sport has covered about 9,000 fewer miles than other 2018 BMW 4 Series cars. Priced at £14,450, it is advertised £219 below the AskCar estimate of £14,669. The AskCar estimate uses UK dealer asking prices, including 1,826 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 118 days ago, and its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. It is for sale at Windmill Autos in Sandy. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £219 (1%) under the AskCar estimate of £14,669.

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 1,826 priced BMW 4 Series adverts across different ages and specifications, as of 6 November 2026.

A 2018 BMW 4 Series with the 2.0 petrol engine is typically advertised at £14,500: the median of the 116 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 118 days.

Price history

AskCar first saw this advert on 11 July 2026 at £14,950. Its asking price is now £14,450, £500 less. The latest price cut was seen on 5 October 2026.

Price changes recorded:

• 11 July 2026: £14,950
• 5 October 2026: £14,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 13 April 2027.

It has had one MOT, on 14 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 54,059 miles, which matches the advertised 54,000 miles.

Advertised mileage is about 9,000 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

28 other 2018 BMW 4 Series M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £9,599 to £18,999, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 54,352 miles. Price: £13,995, £455 less than this car. Dealer: House of Motors London in Barking and Dagenham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-292d549576ad
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 53,000 miles. Price: £17,995, £3,545 more than this car. Dealer: Brook Cars Company in Telford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-68c558d54d17
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 57,058 miles. Price: £13,250, £1,200 less than this car. Dealer: Carpoint UK Motor Company in Newport. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-71a2eaffc0e1

• The nearest: 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white, under a mile from this car. Mileage: 58,000 miles. Price: £14,350, £100 less than this car. Dealer: One Class Auto in Sandy. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-e620e0111a4b