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 4WD Euro 6 (s/s) 2dr (187 bhp)
• Year: 2018
• Mileage: 73,531 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 125 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 73,531 miles, this 2018 BMW 4 Series M Sport has covered about 10,500 more miles than other 2018 BMW 4 Series cars. Its asking price of £14,795 is £503 above the AskCar estimate of £14,292. The AskCar estimate draws on 1,814 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 18 days ago. Its asking price has since fallen by £700. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Global Motors Sales in Launceston. 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: £503 (3%) over the AskCar estimate of £14,292.

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 18 days.

Price history

AskCar first saw this advert on 17 October 2026 at £15,495. Its asking price is now £14,795, £700 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 17 October 2026: £15,495
• 21 October 2026: £14,995
• 3 November 2026: £14,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 3 September 2027.

It has had 8 MOTs. The latest, on 4 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 73,521 miles, which matches the advertised 73,531 miles.

Advertised mileage is about 10,500 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: 72,000 miles. Price: £12,995, £1,800 less than this car. Dealer: Goldstone Cars in Kempston. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-39bbe9141e1e
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 75,327 miles. Price: £13,749, £1,046 less than this car. Dealer: Stonebridge Motors North East in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-e948d7fada17
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 75,432 miles. Price: £10,495, £4,300 less than this car. Dealer: Halesowen Trade Centre in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-e895a0a9d9d9

• The nearest: 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black, 57 miles from this car. Mileage: 57,305 miles. Price: £14,995, £200 more than this car. Dealer: Select Cars Shute Cross in Axminster. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-c79682529c6c