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: 38,236 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

With 38,236 miles on the clock, this 2018 BMW 4 Series M Sport has done roughly 25,000 fewer miles than a typical 2018 BMW 4 Series. Priced at £14,180, it is advertised £1,505 below the AskCar estimate of £15,685. The AskCar estimate draws on 1,787 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 96 days ago. Its asking price has since fallen by £2,019. We checked its advertised mileage against the government's MOT record, and they match. The seller is Evans Halshaw Vauxhall Bedford, based in Bedford. 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: £1,505 (9%) under the AskCar estimate of £15,685.

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 96 days.

Price history

AskCar first saw this advert on 29 July 2026 at £16,199. Its asking price is now £14,180, £2,019 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 29 July 2026: £16,199
• 31 July 2026: £16,080
• 4 August 2026: £15,810
• 11 August 2026: £15,430
• 18 August 2026: £15,040
• 27 August 2026: £14,670
• 3 September 2026: £14,610
• 29 September 2026: £14,580
• 10 October 2026: £14,510
• 14 October 2026: £14,200
• 20 October 2026: £14,180

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 February 2027.

It has had 6 MOTs. The latest, on 3 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 33,282 miles, which matches the advertised 38,236 miles.

Advertised mileage is about 25,000 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 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 38,000 miles. Price: £14,495, £315 more than this car. Dealer: Royal Platinum Cars in Glenrothes. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-ebad72e5aadf
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, silver. Mileage: 34,993 miles. Price: £16,440, £2,260 more than this car. Dealer: Dace Motor Company - Trading Standards Approved in Stockport. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-c85634a397cf
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 44,000 miles. Price: £17,950, £3,770 more than this car. Dealer: BM Vehicles in Ware. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-922d6bf460c1

• The nearest: 2018 BMW 4 Series M Sport, 2.0 petrol coupe, red, 6 miles from this car. Mileage: 54,000 miles. Price: £14,450, £270 more than this car. Dealer: Windmill Autos in Sandy. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-c15579ed5561