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: 72,000 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 is advertised with 72,000 miles, approximately 9,000 above the typical mileage for its age. Priced at £12,995, it is advertised £587 below the AskCar estimate of £13,582. 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 recorded this advert 154 days ago, and its asking price has since fallen by £2,000. The government's MOT record matches its advertised mileage. It is for sale at Goldstone Cars in Bedford. 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: £587 (4%) under the AskCar estimate of £13,582.

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 154 days.

Price history

AskCar first saw this advert on 3 June 2026 at £14,995. Its asking price is now £12,995, £2,000 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 4 June 2026: £14,995
• 14 July 2026: £14,595
• 25 August 2026: £13,995
• 9 September 2026: £13,595
• 16 October 2026: £12,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 14 March 2027.

It has had 7 MOTs. The latest, on 13 March 2026, passed.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; front windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 71,269 miles, which matches the advertised 72,000 miles.

Advertised mileage is about 9,000 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: 73,531 miles. Price: £14,795, £1,800 more than this car. Dealer: Global Motors Sales in Launceston. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-778ff76f8368
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 70,000 miles. Price: £14,490, £1,495 more than this car. Dealer: A & S Cars in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-17dbd49edabb
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 75,327 miles. Price: £13,749, £754 more than this car. Dealer: Stonebridge Motors North East in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-e948d7fada17

• The nearest: 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue, 13 miles from this car. Mileage: 77,004 miles. Price: £13,500, £505 more than this car. Dealer: Croyland Car Megastore in Rushden. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-0d9712d3306a