2018 BMW 4 Series

Overview

Make

BMW

Model

4 Series

Trim

M SPORT

Version

2.0 420d M Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)

Mileage

31,600 miles

Year

2018

Fuel type

Diesel

Body type

Convertible

Engine

2.0 L

Gearbox

Automatic

Power

187 bhp

Seats

4

CO2

124 g/km

Doors

2

Driven wheels

Rear Wheel Drive

Engine badge

420d

Emissions standard

Euro 6

About this car

This 2018 BMW 4 Series M Sport is advertised with 31,600 miles, approximately 31,400 below the typical mileage for its age. The dealer is asking £16,795, which is £1,018 below our market estimate of £17,813. Our estimate draws on 1,749 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 46 days ago, and its asking price has since fallen by £1,200. The seller is Prestige Performance (Yorkshire), based in Selby.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £17,813. The asking price is £1,018 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,749 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 31,400 miles lower than typical for a 2018 BMW 4 Series.