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 (181 bhp)
• Year: 2015
• Mileage: 71,045 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 71,045 miles, this 2015 BMW 4 Series M Sport has covered about 11,000 fewer miles than other 2015 BMW 4 Series cars. The dealer is asking £11,795, which is £62 below the AskCar estimate of £11,857. To work out the AskCar estimate, we analyse UK dealer adverts for 1,826 BMW 4 Series cars across different ages and specifications. The asking price is now £900 lower than when we first recorded the advert 123 days ago. Our latest MOT record expired on 26 September 2026. Check the current position with the dealer. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at KTS Motor Company in Mold. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £62 (under 1%) under the AskCar estimate of £11,857.

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 1,826 priced BMW 4 Series adverts across different ages and specifications, as of 6 November 2026.

A 2015 BMW 4 Series with the 2.0 diesel engine is typically advertised at £10,000: the median of the 102 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2015 BMW 4 Series has been on sale for at least 123 days.

Price history

AskCar first saw this advert on 6 July 2026 at £12,695. Its asking price is now £11,795, £900 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 6 July 2026: £12,695
• 21 August 2026: £12,495
• 29 September 2026: £12,250
• 12 October 2026: £11,995
• 6 November 2026: £11,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 26 September 2026; ask the dealer for the current MOT.

It has had 10 MOTs. The latest, on 17 September 2025, passed.

Advisories at the latest test: rear inner tyre worn close to legal limit/worn on edge nearside and offside; front inner tyre has a cut but not deep enough to reach the ply or cords nearside and offside; offside front inner play in steering rack inner joint(s).

Mileage at that test: 68,997 miles, which matches the advertised 71,045 miles.

Advertised mileage is about 11,000 miles lower 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 6 November 2026.

The 3 closest to this car in mileage:

• 2015 BMW 4 Series M Sport, 2.0 diesel convertible, blue. Mileage: 73,000 miles. Price: £11,490, £305 less than this car. Dealer: The Value Car Centre in Norwich. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-ab507ac0f7c6
• 2015 BMW 4 Series M Sport, 2.0 diesel convertible, blue. Mileage: 75,622 miles. Price: £11,791, the same price as this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-6334425ae5d6
• 2015 BMW 4 Series M Sport, 2.0 diesel convertible, white. Mileage: 65,768 miles. Price: £11,990, £195 more than this car. Dealer: Dani Motors in Luton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-af048a93b2a1

• The nearest: 2015 BMW 4 Series M Sport, 2.0 diesel convertible, white, 23 miles from this car. Mileage: 122,000 miles. Price: £7,598, £4,197 less than this car. Dealer: P A Roberts The BMW Specialist in Whitchurch. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-da26e8096426