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: 67,907 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 125 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport is advertised with 67,907 miles, approximately 5,500 above the typical mileage for its age. The dealer is asking £15,750, which is £858 above the AskCar estimate of £14,892. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. We first saw this car advertised 161 days ago. Its asking price has since fallen by £740. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is BRM Car Sales Scunthorpe, based in Scunthorpe. 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

Fair price: £858 (5%) over the AskCar estimate of £14,892.

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 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £16,490. Its asking price is now £15,750, £740 less. The latest price cut was seen on 12 September 2026.

Price changes recorded:

• 28 May 2026: £16,490
• 16 June 2026: £15,995
• 25 August 2026: £15,990
• 12 September 2026: £15,350
• 1 October 2026: £15,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 8 February 2027.

It has had 7 MOTs. The latest, on 28 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 66,881 miles, which matches the advertised 67,907 miles.

Advertised mileage is about 5,500 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 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 66,164 miles. Price: £15,999, £249 more than this car. Dealer: Charles Hurst Usedirect Portadown in Belfast. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-79d292e9be86
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 66,101 miles. Price: £16,491, £741 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-bc97353c5dff
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 70,000 miles. Price: £14,490, £1,260 less than this car. Dealer: A & S Cars in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-17dbd49edabb

• The nearest: 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue, 25 miles from this car. Mileage: 109,000 miles. Price: £10,000, £5,750 less than this car. Dealer: MMG Sports, Prestige & 4x4 in Worksop. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-1a71f5975185