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: 122,000 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 122,000 miles on the clock, this 2015 BMW 4 Series M Sport has done roughly 39,900 more miles than a typical 2015 BMW 4 Series. The AskCar estimate for this car is £8,062. It is priced at £7,598, which is £464 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,814 BMW 4 Series cars across different ages and specifications. We first recorded this advert 17 days ago, and its asking price has since fallen by £200. Its advertised mileage matches the government's MOT record. You can find this car at P A Roberts The BMW Specialist in Whitchurch. 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: £464 (5%) under the AskCar estimate of £8,062.

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 17 days.

Price history

AskCar first saw this advert on 18 October 2026 at £7,798. Its asking price is now £7,598, £200 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 18 October 2026: £7,798
• 3 November 2026: £7,598

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 11 December 2026.

It has had 9 MOTs. The latest, on 11 December 2025, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 116,457 miles, which matches the advertised 122,000 miles.

Advertised mileage is about 39,900 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 4 November 2026.

The 3 closest to this car in mileage:

• 2015 BMW 4 Series M Sport, 2.0 diesel convertible, blue. Mileage: 119,069 miles. Price: £8,250, £652 more than this car. Dealer: Essex Select Cars in Great Bentley. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-cc834c245660
• 2015 BMW 4 Series M Sport, 2.0 diesel convertible, grey. Mileage: 129,000 miles. Price: £7,600, the same price as 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, black. Mileage: 114,000 miles. Price: £8,450, £852 more than this car. Dealer: West Brook Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-05bca2cc9897

• The nearest: 2015 BMW 4 Series M Sport, 2.0 diesel convertible, blue, 23 miles from this car. Mileage: 71,045 miles. Price: £11,995, £4,397 more than this car. Dealer: KTS Motor Company in Mold. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-f15b1eeffb94