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: 37,740 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 BMW 4 Series M Sport is advertised with 37,740 miles, approximately 34,700 below the typical mileage for its age. The AskCar estimate for this car is £15,893. It is priced at £16,995, which is £1,102 above 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. This car was first seen in our listings data today. Its advertised mileage matches the government's MOT record. You can find this car at Trade Cars 4 U in Bingley. 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: £1,102 (6%) over the AskCar estimate of £15,893.

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 2017 BMW 4 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 112 for sale on AskCar, as of 5 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: 116 of the 251 first advertised between 12 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £16,995. 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 5 November 2026: valid until 10 March 2027.

It has had 7 MOTs. The latest, on 11 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,861 miles, which matches the advertised 37,740 miles.

Advertised mileage is about 34,700 miles lower than the median mileage of a 2017 BMW 4 Series on AskCar.

Similar cars

9 other 2017 BMW 4 Series M Sport 2.0 diesel automatic convertibles are for sale at UK dealers, from £10,850 to £17,495, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2017 BMW 4 Series M Sport, 2.0 diesel convertible, white. Mileage: 37,053 miles. Price: £15,850, £1,145 less than this car. Dealer: Drive Motor Retail drivedirect Leamington in Leamington Spa. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-c4f5897d4537
• 2017 BMW 4 Series M Sport, 2.0 diesel convertible, blue. Mileage: 34,200 miles. Price: £17,495, £500 more than this car. Dealer: Grayswood Cars in Haslemere. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-d49198f0376d
• 2017 BMW 4 Series M Sport, 2.0 diesel convertible, black. Mileage: 33,887 miles. Price: £16,800, £195 less than this car. Dealer: DP Cars in Torquay. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-0eea39a464f1

• The nearest: 2017 BMW 4 Series M Sport, 2.0 diesel convertible, grey, 65 miles from this car. Mileage: 69,800 miles. Price: £14,500, £2,495 less than this car. Dealer: Mota in Caistor. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-787e15ee1c1e