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: 29,224 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

At 29,224 miles, this 2018 BMW 4 Series M Sport has covered about 33,800 fewer miles than other 2018 BMW 4 Series cars. The AskCar estimate for this car is £25,984. It is priced at £25,000, which is £984 below that estimate. The AskCar estimate draws on 1,814 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 11 days ago. Its advertised mileage matches the government's MOT record. The seller is Sytner Sunningdale MINI, based in Sunningdale. 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: £984 (3%) under the AskCar estimate of £25,984.

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 11 days.

Price history

AskCar first saw this advert on 24 October 2026 at £25,000. 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 4 November 2026: valid until 4 July 2027.

It has had 8 MOTs. The latest, on 22 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 29,175 miles, which matches the advertised 29,224 miles.

Advertised mileage is about 33,800 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 £17,885 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, blue. Mileage: 30,000 miles. Price: £26,995, £1,995 more than this car. Dealer: HR Sports and Classics in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-0c73f9bfb8c3
• 2018 BMW 4 Series M Sport, 3.0 petrol convertible, purple. Mileage: 17,400 miles. Price: £28,750, £3,750 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: £25,495, £495 more than this car. Dealer: Graham Walker in Chester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-368483fc8b69

• The nearest: 2018 BMW 4 Series M Sport, 3.0 petrol convertible, black, 42 miles from this car. Mileage: 65,269 miles. Price: £19,950, £5,050 less than this car. Dealer: Perrys Milton Keynes Peugeot & Citroen in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-1be2d3cac3fd