2018 BMW 4 Series

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

£13,890

Fair price: within 8% of the typical £13,949 for this model, age and mileage, drawing on 1,749 adverts of this make and model.

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
72,000 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
Blue
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
420d
Emissions standard
Euro 6

About this car

With 72,000 miles on the clock, this 2018 BMW 4 Series M Sport has done roughly 9,000 more miles than a typical 2018 BMW 4 Series. Its asking price of £13,890 is £59 below our estimate of £13,949. To estimate its market asking price, we analyse UK dealer adverts for 1,749 BMW 4 Series cars across different ages and specifications. Since we first spotted the advert 32 days ago, the asking price has dropped by £300. Its MOT is recorded as valid until 2 January 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at Motorland in Peterborough.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 September 2026, 32 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £300 from the first recorded £14,190. 1 price reduction recorded, the latest observed on 8 October 2026.

Recorded asking prices
Date observedAsking price
20 September 2026£14,190
8 October 2026£13,890
21 October 2026£13,890

Price and mileage comparison

Estimated market asking price: £13,949. The asking price is £59 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 9,000 miles higher than typical for a 2018 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 2 January 2027. 67,249 miles at the last test.

98 other cars with the same year, trim, gearbox and fuel are for sale from £10,000 to £20,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£10,000120,000 miles
£10,190109,000 miles
£10,990128,000 miles
£10,995127,000 miles
£10,99575,432 miles

These cars have covered 24,000–128,000 miles, compared with 72,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all BMW 4 Series cars for sale · 2018 BMW 4 Series price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos