2018 BMW 4 Series 2.0 420d M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420d M Sport RWD Euro 6 (s/s) 2dr (187 bhp)
• Year: 2018
• Mileage: 80,000 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Drive: Rear-wheel drive
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 80,000 miles, this 2018 BMW 4 Series M Sport has covered about 16,900 more miles than other 2018 BMW 4 Series cars. Priced at £12,995, it is advertised £958 above the AskCar estimate of £12,037. To work out the AskCar estimate, we analyse UK dealer adverts for 1,810 BMW 4 Series cars across different ages and specifications. This car was first seen in our listings data 17 days ago. It is advertised by Old Colonel Cars in East Hertfordshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £958 (7%) over the AskCar estimate of £12,037.

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 1,810 priced BMW 4 Series adverts across different ages and specifications, as of 10 November 2026.

A 2018 BMW 4 Series with the 2.0 diesel engine is typically advertised at £14,500: the median of the 119 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 17 days.

Price history

AskCar first saw this advert on 24 October 2026 at £12,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 16,900 miles higher than the median mileage of a 2018 BMW 4 Series on AskCar.