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: 102,311 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 102,311 miles, this 2018 BMW 4 Series M Sport has covered about 39,900 more miles than other 2018 BMW 4 Series cars. Its asking price of £12,795 is £678 above the AskCar estimate of £12,117. The AskCar estimate draws on 1,833 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 82 days ago. Its asking price has since fallen by £700. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Top Cars Telford, based in Telford. 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: £678 (5%) over the AskCar estimate of £12,117.

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

This 2018 BMW 4 Series has been on sale for at least 82 days.

Price history

AskCar first saw this advert on 15 August 2026 at £13,495. Its asking price is now £12,795, £700 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 15 August 2026: £13,495
• 2 October 2026: £13,195
• 6 October 2026: £12,995
• 5 November 2026: £12,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 9 May 2027.

It has had 7 MOTs. The latest, on 30 April 2026, passed.

Advisories at the latest test: offside front tyre worn on outside edges; offside front tyre slightly damaged/cracking or perishing.

Mileage at that test: 97,512 miles, which matches the advertised 102,311 miles.

Advertised mileage is about 39,900 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 £13,995 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, black. Mileage: 105,000 miles. Price: £13,995, £1,200 more than this car. Dealer: Eclipse Car Sales in Winchester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-8a825225ba66
• 2018 BMW 4 Series M Sport, 3.0 diesel convertible, grey. Mileage: 86,195 miles. Price: £14,889, £2,094 more than this car. Dealer: Herts And Essex Motor Company in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-c0acfcb743be
• 2018 BMW 4 Series M Sport, 3.0 diesel convertible, grey. Mileage: 78,493 miles. Price: £18,000, £5,205 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-2cbd1e9f14e1

• The nearest: 2018 BMW 4 Series M Sport, 3.0 diesel convertible, blue, 2 miles from this car. Mileage: 70,430 miles. Price: £19,400, £6,605 more than this car. Dealer: Brook Cars Company in Telford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-49388ee41d84