2018 BMW 4 Series 3.0 440i M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 3.0 440i M Sport Auto RWD Euro 6 2dr (Professional Media) (321 bhp)
• Year: 2018
• Mileage: 17,400 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 321 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Purple
• CO2: 194 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport has covered 17,400 miles, around 45,900 fewer miles than is typical for its age. Its asking price of £28,750 is £2,873 above the AskCar estimate of £25,877. The AskCar estimate uses UK dealer asking prices, including 1,787 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 30 days. Its advertised mileage matches the government's MOT record. It is for sale at Martin Atkinson Specialist Cars in Scunthorpe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,873 (11%) over the AskCar estimate of £25,877.

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 3.0 petrol engine is typically advertised at £17,600: the median of the 85 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £28,750. 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 2 November 2026: valid until 21 June 2027.

It has had 7 MOTs. The latest, on 17 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 17,210 miles, which matches the advertised 17,400 miles.

Advertised mileage is about 45,900 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

6 other 2018 BMW 4 Series M Sport 3.0 petrol automatic convertibles are for sale at UK dealers, from £17,995 to £26,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 3.0 petrol convertible, grey. Mileage: 13,426 miles. Price: £26,995, £1,755 less than this car. Dealer: Graham Walker in Chester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-368483fc8b69
• 2018 BMW 4 Series M Sport, 3.0 petrol convertible, blue. Mileage: 29,221 miles. Price: £25,000, £3,750 less than this car. Dealer: Sytner Sunningdale MINI in Bracknell. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-5f2bad03c3a3
• 2018 BMW 4 Series M Sport, 3.0 petrol convertible, blue. Mileage: 30,000 miles. Price: £26,995, £1,755 less than this car. Dealer: HR Sports and Classics in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-0c73f9bfb8c3