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: 69,800 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 BMW 4 Series M Sport has covered 69,800 miles, around 3,300 fewer miles than is typical for its age. Priced at £14,500, it is advertised £1,448 above the AskCar estimate of £13,052. The AskCar estimate uses 1,787 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 115 days ago. Our latest MOT record expired on 2 July 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Mota in Market Rasen. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,448 (11%) over the AskCar estimate of £13,052.

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 1,787 priced BMW 4 Series adverts across different ages and specifications, as of 2 November 2026.

A 2017 BMW 4 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 117 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2017 BMW 4 Series has been on sale for at least 115 days.

Price history

AskCar first saw this advert on 10 July 2026 at £14,500. 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 2 November 2026: the latest record we hold ran out on 2 July 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 3 July 2025, passed.

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

Mileage at that test: 54,605 miles, which matches the advertised 69,800 miles.

Advertised mileage is about 3,300 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 2 November 2026.

The 3 closest to this car in mileage:

• 2017 BMW 4 Series M Sport, 2.0 diesel convertible, grey. Mileage: 73,113 miles. Price: £11,800, £2,700 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-598f690b5b23
• 2017 BMW 4 Series M Sport, 2.0 diesel convertible, blue. Mileage: 78,945 miles. Price: £11,688, £2,812 less than this car. Dealer: Junction 17 Cars Limited t/a Junction 17 Cars (Grantham) in Grantham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-97a7be537c7a
• 2017 BMW 4 Series M Sport, 2.0 diesel convertible, grey. Mileage: 48,977 miles. Price: £14,278, £222 less than this car. Dealer: Kiss Cars in Fareham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-0d0a8b3e9006