2018 BMW 4 Series 2.0 420i M Sport
Price: £11,550. Fair price: £179 (1%) under the AskCar estimate of £11,729, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,833 priced BMW 4 Series adverts on AskCar as of 5 November 2026.
AskCar lists 1,879 used BMW 4 Series from 1,081 UK dealerships, as of 5 November 2026.
Overview
- Make: BMW
- Model: 4 Series
- Trim: M Sport
- Version: 2.0 420i M Sport Manual RWD Euro 6 (s/s) 2dr (181 bhp)
- Year: 2018
- Mileage: 81,438 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Manual
- Drive: Rear-wheel drive
- Colour: White
- CO2: 141 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 81,438 miles on the clock, this 2018 BMW 4 Series M Sport has done roughly 19,000 more miles than a typical 2018 BMW 4 Series. The dealer is asking £11,550, which is £179 below the AskCar estimate of £11,729. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. This car was first seen in our listings data 2 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Car Planet Watford in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £179 (1%) under the AskCar estimate of £11,729.
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 1,833 priced BMW 4 Series adverts across different ages and specifications, as of 5 November 2026.
A 2018 BMW 4 Series with the 2.0 petrol engine is typically advertised at £14,500: the median of the 117 for sale on AskCar, as of 5 November 2026.
Time on sale
AskCar first saw this 2018 BMW 4 Series advertised 2 days ago. About 4 in 10 of 2018 BMW 4 Series cars are gone from sale within a month of being advertised: 129 of the 292 first advertised between 11 July 2026 and 2 October 2026.
Price history
AskCar first saw this advert on 3 November 2026 at £11,550. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 10 March 2027.
It has had 6 MOTs. The latest, on 4 March 2026, passed.
Advisories at the latest test: nearside front outer tyre worn close to legal limit/worn on edge.
Mileage at that test: 74,565 miles, which matches the advertised 81,438 miles.
Advertised mileage is about 19,000 miles higher than the median mileage of a 2018 BMW 4 Series on AskCar.
Similar cars
1 other 2018 BMW 4 Series M Sport 2.0 petrol manual coupe is for sale at UK dealers, as of 5 November 2026.
The closest to this car in mileage:
- 2018 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 30,290 miles. Price: £14,999, £3,449 more than this car. Dealer: Hendy Car Store Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-ce078b4ca3db
Browse all BMW 4 Series cars for sale · 2018 BMW 4 Series price guide
More like this
- Used BMW 4 Series M Sport prices
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- Used manual BMW 4 Series for sale
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- Used BMW 4 Series for sale near Watford
Photos
31 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.