2018 BMW 4 Series 2.0 420d M Sport
Price: £14,950. Fair price: £517 (3%) under the AskCar estimate of £15,467, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,787 priced BMW 4 Series adverts on AskCar as of 2 November 2026.
AskCar lists 1,835 used BMW 4 Series from 1,064 UK dealerships, as of 2 November 2026.
Overview
- Make: BMW
- Model: 4 Series
- Trim: M Sport
- Version: 2.0 420d M Sport Auto 4WD Euro 6 (s/s) 2dr (187 bhp)
- Year: 2018
- Mileage: 63,000 miles
- Fuel: Diesel
- Body: Coupe, 2 doors, 4 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 125 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 BMW 4 Series M Sport is advertised with 63,000 miles on the clock. The dealer is asking £14,950, which is £517 below the AskCar estimate of £15,467. To work out the AskCar estimate, we analyse UK dealer adverts for 1,787 BMW 4 Series cars across different ages and specifications. We first saw this car advertised 113 days ago. Its asking price has since fallen by £1,000. You can find this car at Intense Motors in High Wycombe. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £517 (3%) under the AskCar estimate of £15,467.
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 1,787 priced BMW 4 Series adverts across different ages and specifications, as of 2 November 2026.
A 2018 BMW 4 Series with the 2.0 diesel engine is typically advertised at £14,800: the median of the 112 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2018 BMW 4 Series has been on sale for at least 113 days.
Price history
AskCar first saw this advert on 12 July 2026 at £15,950. Its asking price is now £14,950, £1,000 less. The latest price cut was seen on 15 July 2026.
Price changes recorded:
- 12 July 2026: £15,950
- 15 July 2026: £14,950
Mileage and MOT
Advertised mileage is about 300 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.
Similar cars
31 other 2018 BMW 4 Series M Sport 2.0 diesel automatic coupes are for sale at UK dealers, from £10,000 to £17,498, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 BMW 4 Series M Sport, 2.0 diesel coupe, white. Mileage: 64,000 miles. Price: £14,300, £650 less than this car. Dealer: Radley Motor Company in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-cb74279ecd28
- 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 65,000 miles. Price: £13,995, £955 less than this car. Dealer: S.P.V. Automotive in Windlesham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-6be6b1ae5f13
- 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 65,107 miles. Price: £12,700, £2,250 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-30800b809e81
- The nearest: 2018 BMW 4 Series M Sport, 2.0 diesel coupe, white, 13 miles from this car. Mileage: 87,981 miles. Price: £12,453, £2,497 less than this car. Dealer: Aylesbury Trade Centre in Aston Clinton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-24d7617d2696
Browse all BMW 4 Series cars for sale · 2018 BMW 4 Series price guide
More like this
- Used BMW 4 Series M Sport prices
- Used BMW 4 Series for sale under £15,000
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- Used BMW 4 Series for sale near High Wycombe
Photos
56 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.