2018 BMW 4 Series
2.0 420i GPF M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
£15,620
Fair price: within 8% of the typical £14,897 for this model, age and mileage, drawing on 1,722 adverts of this make and model.
Overview
- Make
- BMW
- Model
- 4 Series
- Trim
- M SPORT
- Version
- 2.0 420i GPF M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
- Mileage
- 50,500 miles
- Year
- 2018
- Fuel type
- Petrol
- Body type
- Convertible
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 4
- CO2
- 143 g/km
- Colour
- Grey
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 420i
- Emissions standard
- Euro 6
About this car
With 50,500 miles on the clock, this 2018 BMW 4 Series M Sport has done roughly 12,300 fewer miles than a typical 2018 BMW 4 Series. The dealer is asking £15,620, which is £723 above our market estimate of £14,897. Our estimate draws on 1,722 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 3 days ago. Its MOT is recorded as valid until 4 February 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Wimbledon Carriage Company in Leatherhead.
Stock data from 26 October 2026.
Price history
First seen on 24 October 2026, 3 days ago. Advert duration calculated on 27 October 2026.
| Date observed | Asking price |
|---|---|
| 24 October 2026 | £15,620 |
| 26 October 2026 | £15,620 |
Price and mileage comparison
Estimated market asking price: £14,897. The asking price is £723 above 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 1,722 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 12,300 miles lower than typical for a 2018 BMW 4 Series.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 4 February 2027. 48,606 miles at the last test.
66 other cars with the same year, trim, gearbox and fuel are for sale from £9,599 to £28,750.
| Asking price | Mileage |
|---|---|
| £9,599 | 117,000 miles |
| £10,299 | 116,703 miles |
| £11,295 | 105,000 miles |
| £12,488 | 72,600 miles |
| £13,350 | 57,058 miles |
These cars have covered 10,000–117,000 miles, compared with 50,500 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
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Vehicle photos
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