2018 BMW 4 Series
3.0 435d M Sport Auto 4WD Euro 6 (s/s) 2dr (309 bhp)
£20,100
Fair price: within 8% of the typical £21,482 for this model, age and mileage, drawing on 1,725 adverts of this make and model.
Overview
- Make
- BMW
- Model
- 4 Series
- Trim
- M SPORT
- Version
- 3.0 435d M Sport Auto 4WD Euro 6 (s/s) 2dr (309 bhp)
- Mileage
- 36,024 miles
- Year
- 2018
- Fuel type
- Diesel
- Body type
- Convertible
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 309 bhp
- Seats
- 4
- CO2
- 169 g/km
- Colour
- Grey
- Doors
- 2
- Driven wheels
- Four Wheel Drive
- Engine badge
- 435d
- Emissions standard
- Euro 6
About this car
With 36,024 miles on the clock, this 2018 BMW 4 Series M Sport has done roughly 26,500 fewer miles than a typical 2018 BMW 4 Series. Our estimated market asking price is £21,482. This car is advertised at £20,100, which is £1,382 below that figure. Our estimate draws on 1,725 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 1 day. It is advertised by Car Planet Watford in Rickmansworth.
Stock data from 23 October 2026.
Price history
First seen on 23 October 2026, 1 days ago. Advert duration calculated on 24 October 2026.
| Date observed | Asking price |
|---|---|
| 23 October 2026 | £20,100 |
Price and mileage comparison
Estimated market asking price: £21,482. The asking price is £1,382 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 1,725 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 26,500 miles lower than typical for a 2018 BMW 4 Series.
99 other cars with the same year, trim, gearbox and fuel are for sale from £10,000 to £20,995.
| Asking price | Mileage |
|---|---|
| £10,000 | 120,000 miles |
| £10,190 | 109,000 miles |
| £10,995 | 127,000 miles |
| £10,995 | 75,432 miles |
| £11,490 | 93,787 miles |
These cars have covered 24,000–127,000 miles, compared with 36,024 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
- 2018 BMW 4 Series photo 1
- 2018 BMW 4 Series photo 2
- 2018 BMW 4 Series photo 3
- 2018 BMW 4 Series photo 4
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