2018 BMW 4 Series Gran Coupe

2.0 420d M Sport Auto RWD Euro 6 (s/s) 5dr (187 bhp)

£14,950

Fair price: within 8% of the typical £15,889 for this model, age and mileage, drawing on 1,138 adverts of this make and model.

Overview

Make
BMW
Model
4 Series Gran Coupe
Trim
M SPORT
Version
2.0 420d M Sport Auto RWD Euro 6 (s/s) 5dr (187 bhp)
Mileage
56,000 miles
Year
2018
Fuel type
Diesel
Body type
Hatchback
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
5
CO2
126 g/km
Colour
Grey
Doors
5
Driven wheels
Rear Wheel Drive
Engine badge
420d
Emissions standard
Euro 6

About this car

This 2018 BMW 4 Series Gran Coupe M Sport has covered 56,000 miles, around 12,900 fewer than typical for its age. At £14,950, it is advertised £939 below our estimated market asking price of £15,889. To estimate its market asking price, we analyse UK dealer adverts for 1,138 BMW 4 Series Gran Coupe cars across different ages and specifications. The asking price is now £545 lower than when we first recorded the advert 42 days ago. Its MOT is recorded as valid until 13 August 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by T W Automotive in Milton Keynes.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 13 September 2026, 42 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £545 from the first recorded £15,495. 3 price reductions recorded, the latest observed on 13 October 2026.

Recorded asking prices
Date observedAsking price
13 September 2026£15,495
7 October 2026£15,395
10 October 2026£15,000
13 October 2026£14,950
23 October 2026£14,950

Price and mileage comparison

Estimated market asking price: £15,889. The asking price is £939 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 1,138 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 12,900 miles lower than typical for a 2018 BMW 4 Series Gran Coupe.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 13 August 2027. 56,477 miles at the last test.

70 other cars with the same year, trim, gearbox and fuel are for sale from £7,995 to £22,222.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£7,995106,720 miles
£8,995138,000 miles
£9,649120,250 miles
£10,494122,091 miles
£10,995117,500 miles

These cars have covered 17,653–138,000 miles, compared with 56,000 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 Gran Coupe cars for sale · 2018 BMW 4 Series Gran Coupe price guide

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