2018 BMW 4 Series Gran Coupe

2.0 420i M Sport Auto 4WD Euro 6 (s/s) 5dr (181 bhp)

£16,490

Fair price: within 8% of the typical £16,613 for this model, age and mileage, drawing on 1,173 adverts of this make and model.

Overview

Make
BMW
Model
4 Series Gran Coupe
Trim
M SPORT
Version
2.0 420i M Sport Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
Mileage
43,785 miles
Year
2018
Fuel type
Petrol
Body type
Hatchback
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
5
CO2
144 g/km
Colour
Black
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

With 43,785 miles on the clock, this 2018 BMW 4 Series Gran Coupe M Sport has done roughly 25,200 fewer miles than a typical 2018 BMW 4 Series Gran Coupe. The dealer is asking £16,490, which is £123 below our market estimate of £16,613. Our estimate draws on 1,173 BMW 4 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 82 days ago, the asking price has dropped by £360. The time on sale and price change could be useful context when negotiating. Its recorded MOT is valid until 1 October 2027, and its advertised mileage is consistent with the latest MOT reading. It is for sale at County Specialist Vehicles in Taunton.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 2 August 2026, 82 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £360 from the first recorded £16,850. 1 price reduction recorded, the latest observed on 16 September 2026.

Recorded asking prices
Date observedAsking price
2 August 2026£16,850
16 September 2026£16,490
22 October 2026£16,490

Price and mileage comparison

Estimated market asking price: £16,613. The asking price is £123 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 1,173 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 25,200 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 1 October 2027. 43,771 miles at the last test.

53 other cars with the same year, trim, gearbox and fuel are for sale from £10,990 to £28,999.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£10,99091,000 miles
£11,000103,800 miles
£11,47591,000 miles
£11,995100,374 miles
£11,99579,500 miles

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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Vehicle photos

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