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

41,805 miles

Year

2018

Fuel type

Diesel

Body type

Convertible

Engine

2.0 L

Gearbox

Automatic

Power

187 bhp

Seats

4

CO2

124 g/km

Colour

Grey

Doors

2

Driven wheels

Rear Wheel Drive

Engine badge

420d

Emissions standard

Euro 6

About this car

With 41,805 miles on the clock, this 2018 BMW 4 Series M Sport has done roughly 21,200 fewer miles than a typical 2018 BMW 4 Series. At £15,250, it is advertised £1,586 below our estimated market asking price of £16,836. To estimate its market asking price, we analyse UK dealer adverts for 1,749 BMW 4 Series cars across different ages and specifications. We first recorded this advert 58 days ago, and its asking price has since fallen by £2,400. Its recorded MOT is valid until 5 June 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Cotswold Group Select, based in Tewkesbury.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £16,836. The asking price is £1,586 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 21,200 miles lower than typical for a 2018 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.