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: 55,000 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 has covered 55,000 miles, around 8,300 fewer miles than is typical for its age. The AskCar estimate for this car is £18,419. It is priced at £16,990, which is £1,429 below that estimate. The AskCar estimate draws on 1,787 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 105 days ago, the asking price has dropped by £1,400. Our records show an MOT expiry date of 29 May 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Murley Auto Murley Omoda Jaecoo Warwick, based in Warwick. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,429 (7%) under the AskCar estimate of £18,419.

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 1,787 priced BMW 4 Series adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW 4 Series with the 3.0 diesel engine is typically advertised at £17,600: the median of the 85 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 105 days.

Price history

AskCar first saw this advert on 20 July 2026 at £18,390. Its asking price is now £16,990, £1,400 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 20 July 2026: £18,390
• 8 August 2026: £18,190
• 24 September 2026: £18,090
• 9 October 2026: £17,890
• 30 October 2026: £16,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 29 May 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 30 May 2025, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge worn inner edge.

Mileage at that test: 49,864 miles, which matches the advertised 55,000 miles.

Advertised mileage is about 8,300 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

18 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 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 3.0 diesel convertible, grey. Mileage: 55,500 miles. Price: £15,995, £995 less than this car. Dealer: Hampton Car Sales in Northampton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-32cb268e7565
• 2018 BMW 4 Series M Sport, 3.0 diesel convertible, grey. Mileage: 58,000 miles. Price: £16,995, the same price as this car. Dealer: Peverel Car Company in Wickham Bishops. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-40254834b248
• 2018 BMW 4 Series M Sport, 3.0 diesel convertible, grey. Mileage: 52,000 miles. Price: £18,880, £1,890 more than this car. Dealer: Albury Motor Co in Guildford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-f64408d3fab4