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 (s/s) 2dr (181 bhp)
• Year: 2018
• Mileage: 57,058 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 57,058 miles, this 2018 BMW 4 Series M Sport has covered about 6,200 fewer miles than other 2018 BMW 4 Series cars. The AskCar estimate for this car is £15,399. It is priced at £13,250, which is £2,149 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,787 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 100 days ago, the asking price has dropped by £1,649. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Carpoint UK Motor Company, based in Newport. 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: £2,149 (13%) under the AskCar estimate of £15,399.

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 2018 BMW 4 Series with the 2.0 petrol engine is typically advertised at £14,800: the median of the 112 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 100 days.

Price history

AskCar first saw this advert on 25 July 2026 at £14,899. Its asking price is now £13,250, £1,649 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 25 July 2026: £14,899
• 30 July 2026: £14,850
• 2 August 2026: £14,799
• 4 August 2026: £14,699
• 6 August 2026: £14,650
• 7 August 2026: £14,599
• 11 August 2026: £14,550
• 17 August 2026: £14,499
• 19 August 2026: £14,399
• 27 August 2026: £14,350
• 29 August 2026: £14,299
• 30 August 2026: £14,250
• 4 September 2026: £14,000
• 7 September 2026: £13,950
• 21 September 2026: £14,250
• 22 September 2026: £13,999
• 24 September 2026: £13,950
• 26 September 2026: £13,899
• 28 September 2026: £13,850
• 30 September 2026: £13,799
• 2 October 2026: £13,750
• 8 October 2026: £13,699
• 10 October 2026: £13,650
• 15 October 2026: £13,500
• 16 October 2026: £13,450
• 18 October 2026: £13,399
• 20 October 2026: £13,350
• 28 October 2026: £13,299
• 2 November 2026: £13,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 19 July 2027.

It failed its MOT on 7 July 2026 (offside front tyre tread depth below requirements of 1.6mm) and passed later the same day.

Advisories at the latest test: nearside front tyre worn outer edge; oil leak, but not excessive around rear diff.

Mileage at that test: 56,883 miles, which matches the advertised 57,058 miles.

Advertised mileage is about 6,200 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 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 57,500 miles. Price: £16,499, £3,249 more than this car. Dealer: Trust'd Motors in Manchester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-b341cb4f77a6
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 58,000 miles. Price: £14,490, £1,240 more than this car. Dealer: One Class Auto in Sandy. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-e620e0111a4b
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 54,352 miles. Price: £13,995, £745 more than this car. Dealer: House of Motors London in Barking and Dagenham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-292d549576ad

• The nearest: 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black, 11 miles from this car. Mileage: 73,274 miles. Price: £12,795, £455 less than this car. Dealer: Motoring WAY in Abertillery. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-c608ab0df585