2018 BMW 4 Series 3.0 435d M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 3.0 435d M Sport Auto 4WD Euro 6 2dr (Professional Media) (308 bhp)
• Year: 2018
• Mileage: 47,132 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 308 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 189 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport is advertised with 47,132 miles, approximately 15,900 below the typical mileage for its age. Its asking price of £17,570 is £1,664 below the AskCar estimate of £19,234. The AskCar estimate uses UK dealer asking prices, including 1,814 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 63 days ago, and its asking price has since fallen by £1,190. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw BYD Shrewsbury, based in Shrewsbury. 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

Good value: £1,664 (8%) under the AskCar estimate of £19,234.

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 diesel 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 63 days.

Price history

AskCar first saw this advert on 2 September 2026 at £18,760. Its asking price is now £17,570, £1,190 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 2 September 2026: £18,760
• 3 September 2026: £18,790
• 9 September 2026: £18,560
• 22 September 2026: £18,240
• 29 September 2026: £18,140
• 7 October 2026: £17,960
• 13 October 2026: £17,920
• 20 October 2026: £17,910
• 28 October 2026: £17,570

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 27 April 2027.

It has had 8 MOTs. The latest, on 28 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,705 miles, which matches the advertised 47,132 miles.

Advertised mileage is about 15,900 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

19 other 2018 BMW 4 Series M Sport 3.0 diesel automatic convertibles are for sale at UK dealers, from £12,995 to £20,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 3.0 diesel convertible, red. Mileage: 48,143 miles. Price: £17,495, £75 less than this car. Dealer: SG Petch Richmond in Richmond. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-180e268d04ce
• 2018 BMW 4 Series M Sport, 3.0 diesel convertible, white. Mileage: 43,935 miles. Price: £19,990, £2,420 more than this car. Dealer: Fox's Motor Co in Oundle. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-55c338323dfd
• 2018 BMW 4 Series M Sport, 3.0 diesel convertible, grey. Mileage: 52,000 miles. Price: £18,880, £1,310 more than this car. Dealer: Albury Motor Co in Guildford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-f64408d3fab4

• The nearest: 2018 BMW 4 Series M Sport, 3.0 diesel convertible, blue, 11 miles from this car. Mileage: 70,430 miles. Price: £19,400, £1,830 more than this car. Dealer: Brook Cars Company in Telford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-49388ee41d84