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: 47,500 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport is advertised with 47,500 miles, approximately 14,900 below the typical mileage for its age. Priced at £16,491, it is advertised £1,326 above the AskCar estimate of £15,165. The AskCar estimate draws on 1,833 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. The government's MOT record matches its advertised mileage. You can find this car at Your Next Car in Nottingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,326 (8%) over the AskCar estimate of £15,165.

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 today. 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 5 November 2026 at £16,491. 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 29 July 2027.

It failed its MOT on 25 July 2026 (offside front tyre has a bulge, caused by separation or partial failure of its structure) and passed 3 days later, on 28 July 2026.

Advisories at the latest test: nearside front outer tyre slightly damaged side wall; offside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 46,471 miles, which matches the advertised 47,500 miles.

Advertised mileage is about 14,900 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

29 other 2018 BMW 4 Series M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £9,599 to £18,999, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 47,070 miles. Price: £13,799, £2,692 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-f96510152a3d
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 46,049 miles. Price: £15,995, £496 less than this car. Dealer: Formula One Car Supermarket in Falkirk. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-447767bfff8b
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 49,000 miles. Price: £17,490, £999 more than this car. Dealer: First Autos in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-ba1cc968bd4b

• The nearest: 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white, 24 miles from this car. Mileage: 19,000 miles. Price: £18,999, £2,508 more than this car. Dealer: Anslow Autos in Burton upon Trent. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-67f81e8ca4d8