2018 BMW 4 Series 3.0 430d M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 3.0 430d M Sport Auto RWD Euro 6 (s/s) 2dr (254 bhp)
• Year: 2018
• Mileage: 70,000 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport has covered 70,000 miles, around 7,600 more miles than is typical for its age. The AskCar estimate for this car is £15,325. It is priced at £14,995, which is £330 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. This car was first seen in our listings data 2 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Moss Prestige in Huddersfield. 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

Fair price: £330 (2%) under the AskCar estimate of £15,325.

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

Time on sale

AskCar first saw this 2018 BMW 4 Series advertised 2 days ago. About 4 in 10 of 2018 BMW 4 Series cars are gone from sale within a month of being advertised: 129 of the 292 first advertised between 11 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £14,995. 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 5 November 2026: valid until 12 August 2027.

It failed its MOT on 6 August 2026 (nearside rear tyre has a bulge, caused by separation or partial failure of its structure inner edge run on flat 255 35 19y; nearside front shock absorbers has a serious fluid leak; nearside front shock absorbers has negligible damping effect) and passed 7 days later, on 13 August 2026.

Advisories at the latest test: nearside front lower suspension arm pin or bush worn but not resulting in excessive movement forward facing; offside front lower suspension arm pin or bush worn but not resulting in excessive movement forward facing.

Mileage at that test: 69,999 miles, which matches the advertised 70,000 miles.

Advertised mileage is about 7,600 miles higher 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 £12,795 to £20,100, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 3.0 diesel convertible, blue. Mileage: 70,430 miles. Price: £19,400, £4,405 more than this car. Dealer: Brook Cars Company in Telford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-49388ee41d84
• 2018 BMW 4 Series M Sport, 3.0 diesel convertible, black. Mileage: 71,411 miles. Price: £17,990, £2,995 more than this car. Dealer: Brampton Motor Group in Brampton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-f907f3b8ca99
• 2018 BMW 4 Series M Sport, 3.0 diesel convertible, blue. Mileage: 65,729 miles. Price: £19,950, £4,955 more than this car. Dealer: Sytner Stevenage BMW in Stevenage. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-d5bc702743e0

• The nearest: 2018 BMW 4 Series M Sport, 3.0 diesel convertible, blue, 38 miles from this car. Mileage: 61,039 miles. Price: £15,750, £755 more than this car. Dealer: Mats Garage in Goole. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-45e60f32b4e5