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: 142,080 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2015 BMW 4 Series M Sport is advertised with 142,080 miles, approximately 60,000 above the typical mileage for its age. Its asking price of £7,450 is £304 above the AskCar estimate of £7,146. The AskCar estimate draws on 1,814 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 108 days ago. Its asking price has since fallen by £300. The government's MOT record matches its advertised mileage. It is advertised by Digbeth Motor Sales in Birmingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £304 (4%) over the AskCar estimate of £7,146.

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 1,814 priced BMW 4 Series adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

This 2015 BMW 4 Series has been on sale for at least 108 days.

Price history

AskCar first saw this advert on 19 July 2026 at £7,750. Its asking price is now £7,450, £300 less. The latest price cut was seen on 28 July 2026.

Price changes recorded:

• 19 July 2026: £7,750
• 28 July 2026: £7,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 3 April 2027.

It has had 11 MOTs. The latest, on 4 April 2026, passed.

Advisories at the latest test: nearside front suspension arm pin or bush worn but not resulting in excessive movement; offside front suspension arm pin or bush worn but not resulting in excessive movement; nearside rear tyre worn close to legal limit/worn on edge; and 2 more.

Mileage at that test: 141,114 miles, which matches the advertised 142,080 miles.

Advertised mileage is about 60,000 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 £7,598 to £14,252, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2015 BMW 4 Series M Sport, 2.0 diesel convertible, grey. Mileage: 129,000 miles. Price: £7,600, £150 more than this car. Dealer: Cars Under 3000 in Rayleigh. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-ad2f91eba931
• 2015 BMW 4 Series M Sport, 2.0 diesel convertible, white. Mileage: 122,000 miles. Price: £7,598, £148 more than this car. Dealer: P A Roberts The BMW Specialist in Whitchurch. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-da26e8096426
• 2015 BMW 4 Series M Sport, 2.0 diesel convertible, blue. Mileage: 119,069 miles. Price: £8,250, £800 more than this car. Dealer: Essex Select Cars in Great Bentley. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-cc834c245660

• The nearest: 2015 BMW 4 Series M Sport, 2.0 diesel convertible, blue, 9 miles from this car. Mileage: 109,708 miles. Price: £8,799, £1,349 more than this car. Dealer: Automania Specialist Cars in West Bromwich. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-68f49d9468b6