2018 BMW 4 Series 2.0 420d M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420d M Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)
• Year: 2018
• Mileage: 64,000 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2018 BMW 4 Series M Sport is 64,000 miles. Its asking price of £14,300 is £99 below the AskCar estimate of £14,399. To work out the AskCar estimate, we analyse UK dealer adverts for 1,814 BMW 4 Series cars across different ages and specifications. We first saw this car advertised 160 days ago. Its asking price has since fallen by £700. The recorded MOT expired on 17 April 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. It is advertised by Radley Motor Company in Garretts Green. 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: £99 (under 1%) under the AskCar estimate of £14,399.

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

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

Time on sale

This 2018 BMW 4 Series has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £15,000. Its asking price is now £14,300, £700 less. The latest price cut was seen on 30 September 2026.

Price changes recorded:

• 29 May 2026: £15,000
• 25 June 2026: £14,800
• 28 August 2026: £14,700
• 26 September 2026: £14,500
• 30 September 2026: £14,300

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 17 April 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 28 March 2025, passed.

Advisories at the latest test: nearside rear service brake binding but not excessively; offside rear service brake binding but not excessively; nearside rear brake disc worn, pitted or scored, but not seriously weakened; and 7 more.

Mileage at that test: 57,362 miles, which matches the advertised 64,000 miles.

Advertised mileage is about 1,000 miles higher than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

33 other 2018 BMW 4 Series M Sport 2.0 diesel automatic coupes are for sale at UK dealers, from £10,000 to £17,498, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 65,000 miles. Price: £13,995, £305 less than this car. Dealer: S.P.V. Automotive in Windlesham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-6be6b1ae5f13
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 63,000 miles. Price: £14,950, £650 more than this car. Dealer: Intense Motors in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-732e34c9c91e
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 65,107 miles. Price: £12,700, £1,600 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-30800b809e81

• The nearest: 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black, 5 miles from this car. Mileage: 75,432 miles. Price: £10,495, £3,805 less than this car. Dealer: Halesowen Trade Centre in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-e895a0a9d9d9