2018 BMW 4 Series 2.0 420i M Sport

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)
• Year: 2018
• Mileage: 88,200 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 88,200 miles, this 2018 BMW 4 Series M Sport has covered about 25,200 more miles than other 2018 BMW 4 Series cars. Priced at £11,935, it is advertised £417 above the AskCar estimate of £11,518. The AskCar estimate uses 1,822 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. Its advertised mileage matches the government's MOT record. It is advertised by Imperial Auto Trade in Ruislip. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £417 (3%) over the AskCar estimate of £11,518.

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 1,822 priced BMW 4 Series adverts across different ages and specifications, as of 12 November 2026.

A 2018 BMW 4 Series with the 2.0 petrol engine is typically advertised at £14,500: the median of the 126 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2018 BMW 4 Series advertised 1 day ago. About 4 in 10 of 2018 BMW 4 Series cars are gone from sale within a month of being advertised: 139 of the 310 first advertised between 12 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £11,935. 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 12 November 2026: valid until 19 January 2027.

It has had 8 MOTs. The latest, on 14 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 78,599 miles, which matches the advertised 88,200 miles.

Advertised mileage is about 25,200 miles higher than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

31 other 2018 BMW 4 Series M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £9,299 to £18,999, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 88,000 miles. Price: £11,489, £446 less than this car. Dealer: TNG Automotive in Croydon. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-859ec3513d68
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 94,538 miles. Price: £11,999, £64 more than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-d5927ab70238
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 79,500 miles. Price: £11,995, £60 more than this car. Dealer: Independent Vehicle Sales in Stockport. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-f3259a75a456

• The nearest: 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black, 5 miles from this car. Mileage: 72,600 miles. Price: £12,488, £553 more than this car. Dealer: Car Capital in Southall. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-cd7c272be5c3