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 2dr (Professional Media) (187 bhp)
• Year: 2018
• Mileage: 38,990 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 149 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport is advertised with 38,990 miles, approximately 24,300 below the typical mileage for its age. Its asking price of £14,889 is £1,264 below the AskCar estimate of £16,153. The AskCar estimate uses 1,787 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 81 days ago, the asking price has dropped by £2,310. We checked its advertised mileage against the government's MOT record, and they match. The seller is cinch, based in Reading. 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

Fair price: £1,264 (7%) under the AskCar estimate of £16,153.

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 diesel 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 81 days.

Price history

AskCar first saw this advert on 13 August 2026 at £17,199. Its asking price is now £14,889, £2,310 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 13 August 2026: £17,199
• 21 August 2026: £17,099
• 28 August 2026: £17,199
• 1 September 2026: £16,889
• 5 September 2026: £16,644
• 8 September 2026: £16,589
• 13 September 2026: £16,389
• 23 September 2026: £16,099
• 29 September 2026: £16,089
• 7 October 2026: £15,889
• 13 October 2026: £15,589
• 16 October 2026: £15,089
• 22 October 2026: £15,049
• 29 October 2026: £14,889

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 December 2026.

It has had 5 MOTs. The latest, on 8 December 2025, passed.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened both sides; rear brake disc worn, pitted or scored, but not seriously weakened both sides; front tyre worn close to legal limit/worn on edge both sides.

Mileage at that test: 35,843 miles, which matches the advertised 38,990 miles.

Advertised mileage is about 24,300 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

31 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 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, red. Mileage: 44,432 miles. Price: £17,498, £2,609 more than this car. Dealer: Arnold Clark Inverness BMW in Inverness. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-067026b0aee2
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, grey. Mileage: 46,035 miles. Price: £15,849, £960 more than this car. Dealer: Motorpoint Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-f14af227e913
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, silver. Mileage: 55,130 miles. Price: £14,000, £889 less than this car. Dealer: Riverside Autos in Stowmarket. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-b1c2e8379467

• The nearest: 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue, 14 miles from this car. Mileage: 63,000 miles. Price: £14,950, £61 more than this car. Dealer: Intense Motors in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-732e34c9c91e