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: 30,854 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 30,854 miles, approximately 41,600 below the typical mileage for its age. The dealer is asking £17,000, which is £494 above the AskCar estimate of £16,506. To work out the AskCar estimate, we analyse UK dealer adverts for 1,814 BMW 4 Series cars across different ages and specifications. We have tracked this advert for 40 days. Our records show an MOT expiry date of 26 September 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Junction 17 Cars (Rugby), based in Rugby. 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: £494 (2%) over the AskCar estimate of £16,506.

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 2017 BMW 4 Series with the 2.0 diesel engine is typically advertised at £12,400: the median of the 116 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2017 BMW 4 Series has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 25 September 2026 at £17,000. 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 4 November 2026: the latest record we hold ran out on 26 September 2026; ask the dealer for the current MOT.

It failed its MOT on 19 September 2025 (nearside front tyre has a bulge, caused by separation or partial failure of its structure) and passed 1 day later, on 20 September 2025.

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

Mileage at that test: 27,692 miles, which matches the advertised 30,854 miles.

Advertised mileage is about 41,600 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 4 November 2026.

The 3 closest to this car in mileage:

• 2017 BMW 4 Series M Sport, 2.0 diesel convertible, black. Mileage: 33,887 miles. Price: £16,800, £200 less than this car. Dealer: DP Cars in Torquay. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-0eea39a464f1
• 2017 BMW 4 Series M Sport, 2.0 diesel convertible, blue. Mileage: 34,200 miles. Price: £17,495, £495 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, white. Mileage: 37,053 miles. Price: £15,850, £1,150 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