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: 65,269 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 321 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 194 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 65,269 miles, this 2018 BMW 4 Series M Sport has covered about 2,300 more miles than other 2018 BMW 4 Series cars. Priced at £19,950, it is advertised £14 above the AskCar estimate of £19,936. The AskCar estimate uses 1,814 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 53 days ago. Its asking price has since fallen by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Perrys Milton Keynes Peugeot & Citroen, based in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £14 (under 1%) over the AskCar estimate of £19,936.

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 1,814 priced BMW 4 Series adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW 4 Series with the 3.0 petrol engine is typically advertised at £17,500: the median of the 85 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 53 days.

Price history

AskCar first saw this advert on 12 September 2026 at £20,250. Its asking price is now £19,950, £300 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 12 September 2026: £20,250
• 16 October 2026: £19,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 24 February 2027.

It failed its MOT on 18 February 2026 (nearside front inner tyre has ply or cords exposed; offside front outer tyre has a lump, caused by separation or partial failure of its structure) and passed 7 days later, on 25 February 2026.

Advisories at the latest test: rear child seat fitted not allowing full inspection of adult belt x 2.

Mileage at that test: 59,544 miles, which matches the advertised 65,269 miles.

Advertised mileage is about 2,300 miles higher 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 £17,885 to £28,750, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 3.0 petrol convertible, black. Mileage: 61,940 miles. Price: £17,885, £2,065 less than this car. Dealer: Hilton Car Supermarket Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-33b668897b66
• 2018 BMW 4 Series M Sport, 3.0 petrol convertible, black. Mileage: 74,120 miles. Price: £19,995, the same price as this car. Dealer: Fida Motors in Wickford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-afae84165a57
• 2018 BMW 4 Series M Sport, 3.0 petrol convertible, blue. Mileage: 30,000 miles. Price: £26,995, £7,045 more than this car. Dealer: HR Sports and Classics in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-0c73f9bfb8c3