2018 BMW 4 Series

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

£7,900

Good value: £705 under the typical £8,605 for this model, age and mileage, drawing on 1,749 adverts of this make and model.

Overview

Make
BMW
Model
4 Series
Trim
SPORT
Version
2.0 420d Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)
Mileage
121,000 miles
Year
2018
Fuel type
Diesel
Body type
Coupe
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
4
CO2
114 g/km
Colour
Grey
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
420d
Emissions standard
Euro 6

About this car

With 121,000 miles on the clock, this 2018 BMW 4 Series Sport has done roughly 58,000 more miles than a typical 2018 BMW 4 Series. At £7,900, it is advertised £705 below our estimated market asking price of £8,605. The estimate uses 1,749 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 25 days ago, and its asking price has since fallen by £900. The latest MOT record shows an expiry date of 14 January 2027, with the advertised mileage consistent with the recorded reading. You can find this car at CNH Cars in Welwyn.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 September 2026, 25 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £900 from the first recorded £8,800. 4 price reductions recorded, the latest observed on 21 October 2026.

Recorded asking prices
Date observedAsking price
28 September 2026£8,800
3 October 2026£8,700
4 October 2026£8,600
15 October 2026£8,500
21 October 2026£7,900

Price and mileage comparison

Estimated market asking price: £8,605. The asking price is £705 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 58,000 miles higher than typical for a 2018 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 14 January 2027. 112,097 miles at the last test.

1 other cars with the same year, trim, gearbox and fuel are for sale from £12,250 to £12,250.

Other matching cars
Asking priceMileage
£12,25068,353 miles

These cars have covered 68,353 miles, compared with 121,000 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