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 (s/s) 2dr (322 bhp)
• Year: 2018
• Mileage: 30,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 322 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 167 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport has covered 30,000 miles, around 33,300 fewer miles than is typical for its age. The AskCar estimate for this car is £25,820. It is priced at £26,995, which is £1,175 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,787 BMW 4 Series cars across different ages and specifications. The asking price is now £1,000 lower than when we first recorded the advert 58 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at HR Sports and Classics in Warrington. 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

Fair price: £1,175 (4%) over the AskCar estimate of £25,820.

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 58 days.

Price history

AskCar first saw this advert on 5 September 2026 at £27,995. Its asking price is now £26,995, £1,000 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 5 September 2026: £27,995
• 1 November 2026: £26,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 11 August 2027.

It has had 6 MOTs. The latest, on 27 July 2026, passed.

Advisories at the latest test: offside rear nail in tyre.

Mileage at that test: 29,891 miles, which matches the advertised 30,000 miles.

Advertised mileage is about 33,300 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 £28,750, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 3.0 petrol convertible, blue. Mileage: 29,221 miles. Price: £25,000, £1,995 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, purple. Mileage: 17,400 miles. Price: £28,750, £1,755 more than this car. Dealer: Martin Atkinson Specialist Cars in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-2af3d628edd8
• 2018 BMW 4 Series M Sport, 3.0 petrol convertible, grey. Mileage: 13,426 miles. Price: £26,995, the same price as this car. Dealer: Graham Walker in Chester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-368483fc8b69