2018 BMW 4 Series Gran Coupe

2.0 420i GPF M Sport Manual RWD Euro 6 (s/s) 5dr (181 bhp)

£13,295

Fair price: within 8% of the typical £14,258 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 420i GPF M Sport Manual RWD Euro 6 (s/s) 5dr (181 bhp)
Mileage
44,121 miles
Year
2018
Fuel type
Petrol
Body type
Hatchback
Engine
2.0 L
Gearbox
Manual
Power
181 bhp
Seats
5
CO2
146 g/km
Colour
Blue
Doors
5
Driven wheels
Rear Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

At 44,121 miles, this 2018 BMW 4 Series Gran Coupe M Sport has covered about 24,800 fewer miles than other 2018 BMW 4 Series Gran Coupe cars. The dealer is asking £13,295, which is £963 below our market estimate of £14,258. We use UK dealer asking prices, including 1,138 BMW 4 Series Gran Coupe listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 150 days ago, the asking price has dropped by £1,200. It may give you a starting point for a conversation about price. MOT records show an expiry date of 13 May 2027, and the latest recorded mileage is consistent with the advert. It is advertised by Ideal Cars Sussex in Horsham.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 150 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £1,200 from the first recorded £14,495. 5 price reductions recorded, the latest observed on 21 October 2026.

Recorded asking prices
Date observedAsking price
28 May 2026£14,495
31 May 2026£13,995
7 July 2026£13,995
19 July 2026£13,795
20 July 2026£13,795
28 August 2026£13,695
11 September 2026£13,495
21 October 2026£13,295
23 October 2026£13,295

Price and mileage comparison

Estimated market asking price: £14,258. The asking price is £963 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 24,800 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 May 2027. 44,123 miles at the last test.

1 other cars with the same year, trim, gearbox and fuel are for sale from £10,750 to £10,750.

Other matching cars
Asking priceMileage
£10,75090,810 miles

These cars have covered 90,810 miles, compared with 44,121 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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