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: 61,940 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 322 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 167 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport has covered 61,940 miles. The AskCar estimate for this car is £21,613. It is priced at £17,885, which is £3,728 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,833 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 100 days ago, and its asking price has since fallen by £2,039. The recorded MOT expired on 26 July 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Hilton Car Supermarket Milton Keynes, based in Milton Keynes. 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

Good value: £3,728 (17%) under the AskCar estimate of £21,613.

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 3.0 petrol engine is typically advertised at £17,500: the median of the 84 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 100 days.

Price history

AskCar first saw this advert on 28 July 2026 at £19,924. Its asking price is now £17,885, £2,039 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 28 July 2026: £19,924
• 29 July 2026: £19,485
• 31 July 2026: £19,285
• 3 August 2026: £19,350
• 5 August 2026: £19,365
• 29 August 2026: £19,390
• 1 September 2026: £19,385
• 4 September 2026: £19,405
• 5 September 2026: £19,430
• 6 September 2026: £19,620
• 8 September 2026: £19,625
• 9 September 2026: £19,515
• 12 September 2026: £19,435
• 13 September 2026: £19,545
• 14 September 2026: £19,660
• 16 September 2026: £19,815
• 18 September 2026: £19,670
• 19 September 2026: £19,810
• 20 September 2026: £19,820
• 22 September 2026: £19,810
• 23 September 2026: £19,725
• 24 September 2026: £19,380
• 25 September 2026: £19,360
• 27 September 2026: £19,400
• 1 October 2026: £19,385
• 9 October 2026: £19,290
• 14 October 2026: £19,295
• 17 October 2026: £19,250
• 19 October 2026: £18,670
• 21 October 2026: £18,560
• 30 October 2026: £18,165
• 31 October 2026: £17,995
• 3 November 2026: £17,885

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 26 July 2026; ask the dealer for the current MOT.

It failed its MOT on 25 July 2025 (horn not working) and passed later the same day.

Advisories at the latest test: offside front tyre worn inner edge.

Mileage at that test: 53,082 miles, which matches the advertised 61,940 miles.

Advertised mileage is about 500 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 £19,950 to £28,750, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 3.0 petrol convertible, black. Mileage: 65,269 miles. Price: £19,950, £2,065 more than this car. Dealer: Perrys Milton Keynes Peugeot & Citroen in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-1be2d3cac3fd
• 2018 BMW 4 Series M Sport, 3.0 petrol convertible, black. Mileage: 74,120 miles. Price: £19,995, £2,110 more than 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, £9,110 more than this car. Dealer: HR Sports and Classics in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-0c73f9bfb8c3