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: 73,274 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 73,274 miles on the clock, this 2018 BMW 4 Series M Sport has done roughly 10,300 more miles than a typical 2018 BMW 4 Series. Its asking price of £12,795 is £979 below the AskCar estimate of £13,774. The AskCar estimate uses 1,814 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 4 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motoring WAY, based in Abertillery. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £979 (7%) under the AskCar estimate of £13,774.

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 1,814 priced BMW 4 Series adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW 4 Series with the 2.0 petrol engine is typically advertised at £14,500: the median of the 112 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2018 BMW 4 Series advertised 4 days ago. About 4 in 10 of 2018 BMW 4 Series cars are gone from sale within a month of being advertised: 128 of the 289 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 31 October 2026 at £12,795. 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 4 November 2026: valid until 29 June 2027.

It has had 6 MOTs. The latest, on 27 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 71,072 miles, which matches the advertised 73,274 miles.

Advertised mileage is about 10,300 miles higher than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

27 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 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 72,600 miles. Price: £12,488, £307 less than this car. Dealer: Car Capital in Southall. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-cd7c272be5c3
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 79,000 miles. Price: £15,000, £2,205 more than this car. Dealer: BWC Used Cars Telford in Telford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-5ee21f5602be
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 64,000 miles. Price: £13,995, £1,200 more than this car. Dealer: Edinburgh Car Sales in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-62a98d61fe57

• The nearest: 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white, 11 miles from this car. Mileage: 57,058 miles. Price: £13,250, £455 more than this car. Dealer: Carpoint UK Motor Company in Newport. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-71a2eaffc0e1