2017 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 (187 bhp)
• Year: 2017
• Mileage: 53,660 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 53,660 miles on the clock, this 2017 BMW 4 Series M Sport has done roughly 18,100 fewer miles than a typical 2017 BMW 4 Series. Priced at £14,488, it is advertised £78 below the AskCar estimate of £14,566. The AskCar estimate uses UK dealer asking prices, including 1,825 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Junction 17 Cars Peterborough in Yaxley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £78 (under 1%) under the AskCar estimate of £14,566.

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 1,825 priced BMW 4 Series adverts across different ages and specifications, as of 7 November 2026.

A 2017 BMW 4 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 114 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2017 BMW 4 Series advertised today. About half of 2017 BMW 4 Series cars are gone from sale within a month of being advertised: 120 of the 257 first advertised between 12 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £14,488. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 3 April 2027.

It has had 9 MOTs. The latest, on 1 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,786 miles, which matches the advertised 53,660 miles.

Advertised mileage is about 18,100 miles lower than the median mileage of a 2017 BMW 4 Series on AskCar.

Similar cars

10 other 2017 BMW 4 Series M Sport 2.0 diesel automatic convertibles are for sale at UK dealers, from £10,750 to £18,989, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2017 BMW 4 Series M Sport, 2.0 diesel convertible, grey. Mileage: 48,977 miles. Price: £14,241, £247 less than this car. Dealer: Kiss Cars in Fareham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-0d0a8b3e9006
• 2017 BMW 4 Series M Sport, 2.0 diesel convertible, blue. Mileage: 47,000 miles. Price: £15,495, £1,007 more than this car. Dealer: Cars of Conwy in Colwyn Bay. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-16861897c188
• 2017 BMW 4 Series M Sport, 2.0 diesel convertible, blue. Mileage: 37,740 miles. Price: £16,995, £2,507 more than this car. Dealer: Trade Cars 4 U in Bingley. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-ab0b7a71146e

• The nearest: 2017 BMW 4 Series M Sport, 2.0 diesel convertible, blue, 45 miles from this car. Mileage: 30,854 miles. Price: £17,000, £2,512 more than this car. Dealer: Junction 17 Cars (Rugby) in Rugby. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-27a7376e57b1