2018 BMW 4 Series Gran Coupe 2.0 420i M Sport
Version: 2.0 420i GPF M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
Price: £12,995. Fair price: £685 (5%) over the AskCar estimate of £12,310, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,167 priced BMW 4 Series Gran Coupe adverts on AskCar as of 31 October 2026.
AskCar lists 1,189 used BMW 4 Series Gran Coupe from 748 UK dealerships, as of 31 October 2026.
Overview
- Make
- BMW
- Model
- 4 Series Gran Coupe
- Trim
- M Sport
- Version
- 2.0 420i GPF M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
- Mileage
- 77,386 miles
- Year
- 2018
- Fuel type
- Petrol
- Body type
- Hatchback
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 5
- CO2
- 135 g/km
- Colour
- Blue
- Doors
- 5
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 420i
- Emissions standard
- Euro 6
About this car
At 77,386 miles, this 2018 BMW 4 Series Gran Coupe M Sport has covered about 6,900 more miles than other 2018 BMW 4 Series Gran Coupe cars. The dealer is asking £12,995, which is £685 above the AskCar estimate of £12,310. To work out the AskCar estimate, we analyse UK dealer adverts for 1,167 BMW 4 Series Gran Coupe cars across different ages and specifications. It first appeared in our advert records today. Its MOT is recorded as valid until 22 September 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by Crompton Way Motors in Bolton.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £12,995 |
Price and mileage comparison
Fair price: £685 (5%) over the AskCar estimate of £12,310.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 1,167 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 6,900 miles higher than the median mileage of a 2018 BMW 4 Series Gran Coupe on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 22 September 2027. 74,559 miles at the last test.
Other matching cars
54 other 2018 BMW 4 Series Gran Coupe M Sport automatic petrol cars are for sale at UK dealers from £8,990 to £29,199, as of 31 October 2026.
The 5 cheapest:
- 2018 BMW 4 Series Gran Coupe. Price: £8,990. Mileage: 119,400 miles. Dealer: Automatic Motors in Hillingdon. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-7fa6d7eb95d1
- 2018 BMW 4 Series Gran Coupe. Price: £9,985. Mileage: 107,388 miles. Dealer: IM Car Supermarket in Dunstable. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-50a595cc19f1
- 2018 BMW 4 Series Gran Coupe. Price: £10,975. Mileage: 91,000 miles. Dealer: AUR MOTORS in Sunbury-on-Thames. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-4e20ea61a34a
- 2018 BMW 4 Series Gran Coupe. Price: £11,995. Mileage: 100,374 miles. Dealer: Second Chance Car Finance in Wetherby. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-3d0d6eebd18b
- 2018 BMW 4 Series Gran Coupe. Price: £11,995. Mileage: 79,500 miles. Dealer: Ingatestone Motors in Ingatestone. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-b5fde2002af8
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW 4 Series Gran Coupe cars for sale · 2018 BMW 4 Series Gran Coupe price guide
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Photos
60 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.