2015 BMW 4 Series 2.0 420d M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420d M Sport Auto RWD Euro 6 (s/s) 2dr
• Year: 2015
• Mileage: 92,000 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2015 BMW 4 Series M Sport is advertised with 92,000 miles, approximately 10,000 above the typical mileage for its age. The AskCar estimate for this car is £9,874. It is priced at £9,795, which is £79 below that estimate. 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 recorded this advert 135 days ago, and its asking price has since fallen by £700. Our records show an MOT expiry date of 24 September 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. It is for sale at Motor Trend in Great Missenden. 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: £79 (under 1%) under the AskCar estimate of £9,874.

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 2015 BMW 4 Series with the 2.0 diesel engine is typically advertised at £10,000: the median of the 103 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2015 BMW 4 Series has been on sale for at least 135 days.

Price history

AskCar first saw this advert on 23 June 2026 at £10,495. Its asking price is now £9,795, £700 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 23 June 2026: £10,495
• 8 July 2026: £9,995
• 3 October 2026: £9,895
• 16 October 2026: £9,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 24 September 2026; ask the dealer for the current MOT.

It failed its MOT on 18 September 2025 (nearside front suspension arm pin or bush likely to become detached bush is detached) and passed 1 day later, on 19 September 2025.

Advisories at the latest test: offside rear nail in tyre; front both shock absorber dust covers split; offside play in steering rack inner joint(s).

Mileage at that test: 88,688 miles, which matches the advertised 92,000 miles.

Advertised mileage is about 10,000 miles higher than the median mileage of a 2015 BMW 4 Series on AskCar.

Similar cars

17 other 2015 BMW 4 Series M Sport 2.0 diesel automatic convertibles are for sale at UK dealers, from £7,450 to £14,252, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2015 BMW 4 Series M Sport, 2.0 diesel convertible, white. Mileage: 87,000 miles. Price: £9,795, the same price as this car. Dealer: Elland Car Sales in Brighouse. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-3a37796c4d17
• 2015 BMW 4 Series M Sport, 2.0 diesel convertible, white. Mileage: 97,516 miles. Price: £9,995, £200 more than this car. Dealer: Cleveland Vehicle Sales in Stokesley. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-b0225cc1f244
• 2015 BMW 4 Series M Sport, 2.0 diesel convertible, grey. Mileage: 85,000 miles. Price: £9,494, £301 less than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-6318d568af09

• The nearest: 2015 BMW 4 Series M Sport, 2.0 diesel convertible, white, 17 miles from this car. Mileage: 65,768 miles. Price: £11,990, £2,195 more than this car. Dealer: Dani Motors in Luton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-af048a93b2a1