2017 BMW 4 Series 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2017
• Mileage: 100,714 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 100,714 miles, this 2017 BMW 4 Series M Sport has covered about 28,300 more miles than other 2017 BMW 4 Series cars. Its asking price of £8,299 is £2,049 below the AskCar estimate of £10,348. 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 160 days ago, and its asking price has since fallen by £1,200. Its advertised mileage matches the government's MOT record. It is advertised by Grace Cars in Highbridge. 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

Good value: £2,049 (19%) under the AskCar estimate of £10,348.

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 petrol 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 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £9,499. Its asking price is now £8,299, £1,200 less. The latest price cut was seen on 9 September 2026.

Price changes recorded:

• 28 May 2026: £9,499
• 31 May 2026: £8,999
• 24 June 2026: £8,499
• 9 September 2026: £8,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 8 June 2027.

It failed its MOT on 8 June 2026 (nearside front tyre has ply or cords exposed; offside front tyre has ply or cords exposed) and passed 1 day later, on 9 June 2026.

There were no advisories at the latest test.

Mileage at that test: 100,881 miles, which matches the advertised 100,714 miles.

Advertised mileage is about 28,300 miles higher than the median mileage of a 2017 BMW 4 Series on AskCar.

Similar cars

18 other 2017 BMW 4 Series M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £9,990 to £18,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2017 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 99,900 miles. Price: £9,990, £1,691 more than this car. Dealer: Automatic Motors in Hillingdon. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-5368b6dd2e08
• 2017 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 96,000 miles. Price: £11,495, £3,196 more than this car. Dealer: Peverel Car Company in Wickham Bishops. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-8d33a76b8119
• 2017 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 92,400 miles. Price: £10,195, £1,896 more than this car. Dealer: FY Autos in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-9257d1e70b0f

• The nearest: 2017 BMW 4 Series M Sport, 2.0 petrol coupe, grey, 88 miles from this car. Mileage: 72,450 miles. Price: £12,199, £3,900 more than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/bmw-4-series-2017-79d9a7b03eb3