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: 97,381 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport has covered 97,381 miles, around 34,900 more miles than is typical for its age. The AskCar estimate for this car is £11,282. It is priced at £12,500, which is £1,218 above that estimate. The AskCar estimate uses 1,833 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 91 days ago, the asking price has dropped by £1,250. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Mcwilliams Car Sales, based in Craigavon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,218 (10%) over the AskCar estimate of £11,282.

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 1,833 priced BMW 4 Series adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW 4 Series with the 2.0 diesel engine is typically advertised at £14,500: the median of the 117 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 91 days.

Price history

AskCar first saw this advert on 6 August 2026 at £13,750. Its asking price is now £12,500, £1,250 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 7 August 2026: £13,750
• 3 October 2026: £13,500
• 24 October 2026: £12,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 23 March 2027.

It has had 7 MOTs. The latest, on 17 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 93,905 miles, which matches the advertised 97,381 miles.

Advertised mileage is about 34,900 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 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 96,030 miles. Price: £11,690, £810 less than this car. Dealer: Central Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-afbbcc3e083a
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, grey. Mileage: 93,787 miles. Price: £11,490, £1,010 less than this car. Dealer: Xenon Automotive in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-3c5ab9360112
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 91,462 miles. Price: £11,695, £805 less than this car. Dealer: Greenlight in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-495f79ede371

• The nearest: 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue, 22 miles from this car. Mileage: 66,164 miles. Price: £15,999, £3,499 more than this car. Dealer: Charles Hurst Usedirect Portadown in Belfast. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-79d292e9be86