2018 BMW 4 Series 2.0 420i M Sport
Version: 2.0 420i GPF M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
Price: £12,994. Fair price: £373 (2%) under the AskCar estimate of £13,367, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,775 priced BMW 4 Series adverts on AskCar as of 31 October 2026.
AskCar lists 1,813 used BMW 4 Series from 1,042 UK dealerships, as of 31 October 2026.
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
- 67,000 miles
- Year
- 2018
- Fuel type
- Petrol
- Body type
- Coupe
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 4
- CO2
- 139 g/km
- Colour
- Black
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 420i
- Emissions standard
- Euro 6
About this car
This 2018 BMW 4 Series M Sport is advertised with 67,000 miles, approximately 3,900 above the typical mileage for its age. Its asking price of £12,994 is £373 below the AskCar estimate of £13,367. The AskCar estimate uses UK dealer asking prices, including 1,775 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. MOT records show an expiry date of 20 December 2026, and the latest recorded mileage is consistent with the advert. The seller is Strood Motor Centre, based in Strood.
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 | £12,994 |
Price and mileage comparison
Fair price: £373 (2%) under the AskCar estimate of £13,367.
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 1,775 priced BMW 4 Series adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 3,900 miles higher than the median mileage of a 2018 BMW 4 Series on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 20 December 2026. 59,124 miles at the last test.
Other matching cars
66 other 2018 BMW 4 Series M Sport automatic petrol cars are for sale at UK dealers from £10,299 to £28,750, as of 31 October 2026.
The 5 cheapest:
- 2018 BMW 4 Series. Price: £10,299. Mileage: 116,703 miles. Dealer: Honest Cars in Leicester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-a8386b7f5b28
- 2018 BMW 4 Series. Price: £11,295. Mileage: 105,000 miles. Dealer: Eclipse Car Sales in Winchester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-0c1d50e88c20
- 2018 BMW 4 Series. Price: £11,990. Mileage: 106,123 miles. Dealer: Strategic Vehicle Solutions in Boston. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-364433371cee
- 2018 BMW 4 Series. Price: £12,488. Mileage: 72,600 miles. Dealer: Car Capital in Southall. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-cd7c272be5c3
- 2018 BMW 4 Series. Price: £12,795. Mileage: 73,274 miles. Dealer: Motoring WAY in Abertillery. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-c608ab0df585
The 66 matching cars have covered 10,000 to 116,703 miles, compared with 67,000 miles for this car.
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 cars for sale · 2018 BMW 4 Series price guide
More like this
Photos
29 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.