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: 28,130 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 28,130 miles, approximately 34,900 below the typical mileage for its age. The AskCar estimate for this car is £17,627. It is priced at £17,988, which is £361 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,826 BMW 4 Series cars across different ages and specifications. We have tracked this advert today. The recorded MOT expired on 15 April 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Junction 17 Cars Peterborough in Yaxley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £361 (2%) over the AskCar estimate of £17,627.

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 1,826 priced BMW 4 Series adverts across different ages and specifications, as of 6 November 2026.

A 2018 BMW 4 Series with the 2.0 diesel engine is typically advertised at £14,500: the median of the 116 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2018 BMW 4 Series advertised today. About 4 in 10 of 2018 BMW 4 Series cars are gone from sale within a month of being advertised: 131 of the 297 first advertised between 11 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £17,988. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 15 April 2026; ask the dealer for the current MOT.

It failed its MOT on 7 April 2025 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords; offside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 23,521 miles, which matches the advertised 28,130 miles.

Advertised mileage is about 34,900 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

35 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 6 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, white. Mileage: 38,990 miles. Price: £14,790, £3,198 less than this car. Dealer: Marshall SEAT Reading in Reading. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-292a570d5ce3
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, red. Mileage: 44,432 miles. Price: £17,498, £490 less 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: £15,549, £2,439 less than this car. Dealer: Motorpoint Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-f14af227e913

• The nearest: 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue, under a mile from this car. Mileage: 58,687 miles. Price: £14,975, £3,013 less than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-a54a132dfbd6