2018 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 (Professional Media) (181 bhp)
• Year: 2018
• Mileage: 47,070 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport is advertised with 47,070 miles, approximately 16,000 below the typical mileage for its age. Its asking price of £13,699 is £1,199 below the AskCar estimate of £14,898. The AskCar estimate uses UK dealer asking prices, including 1,825 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 142 days ago, and its asking price has since fallen by £1,900. Its advertised mileage matches the government's MOT record. The seller is Fords Of Winsford Car Supermarket, based in Winsford. 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

Good value: £1,199 (8%) under the AskCar estimate of £14,898.

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 2018 BMW 4 Series with the 2.0 petrol engine is typically advertised at £14,500: the median of the 120 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 142 days.

Price history

AskCar first saw this advert on 18 June 2026 at £15,599. Its asking price is now £13,699, £1,900 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 18 June 2026: £15,599
• 19 June 2026: £15,699
• 26 June 2026: £15,599
• 4 July 2026: £15,699
• 14 July 2026: £15,599
• 19 July 2026: £15,399
• 29 July 2026: £15,299
• 6 August 2026: £15,199
• 9 August 2026: £14,999
• 20 August 2026: £14,899
• 30 August 2026: £14,799
• 6 September 2026: £14,699
• 11 September 2026: £14,599
• 20 September 2026: £14,499
• 25 September 2026: £14,299
• 2 October 2026: £14,199
• 6 October 2026: £14,099
• 10 October 2026: £13,999
• 14 October 2026: £13,899
• 17 October 2026: £14,099
• 24 October 2026: £13,999
• 2 November 2026: £13,799
• 7 November 2026: £13,699

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 12 November 2026.

It failed its MOT on 25 October 2025 (parking brake efficiency below requirements) and passed later the same day.

Advisories at the latest test: nearside play in steering rack inner joint(s); offside play in steering rack inner joint(s); nearside rear nail in tyre.

Mileage at that test: 42,715 miles, which matches the advertised 47,070 miles.

Advertised mileage is about 16,000 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

30 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 7 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 47,500 miles. Price: £16,491, £2,792 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-e145ac6e7b9e
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 46,049 miles. Price: £15,995, £2,296 more than this car. Dealer: Formula One Car Supermarket in Falkirk. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-447767bfff8b
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 49,000 miles. Price: £17,490, £3,791 more than this car. Dealer: First Autos in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-ba1cc968bd4b

• The nearest: 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white, 18 miles from this car. Mileage: 117,000 miles. Price: £9,599, £4,100 less than this car. Dealer: Sari's Cars in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-32620d2bc10d