2017 BMW 4 Series

2.0 420i M Sport Auto 4WD Euro 6 (s/s) 2dr (181 bhp)

£15,590

Good value: £1,473 under the typical £17,063 for this model, age and mileage, drawing on 1,756 adverts of this make and model.

Overview

Make
BMW
Model
4 Series
Trim
M SPORT
Version
2.0 420i M Sport Auto 4WD Euro 6 (s/s) 2dr (181 bhp)
Mileage
35,850 miles
Year
2017
Fuel type
Petrol
Body type
Coupe
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
4
CO2
144 g/km
Colour
Blue
Doors
2
Driven wheels
Four Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

At 35,850 miles, this 2017 BMW 4 Series M Sport has covered about 35,300 fewer miles than other 2017 BMW 4 Series cars. Our estimated market asking price is £17,063. This car is advertised at £15,590, which is £1,473 below that figure. We use UK dealer asking prices, including 1,756 BMW 4 Series listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 145 days ago, the asking price has dropped by £225. The time on sale and price change could be useful context when negotiating. Its recorded MOT is valid until 25 January 2027, and its advertised mileage is consistent with the latest MOT reading. It is advertised by Mayfair Motor Solutions in Marble Arch.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 145 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £225 from the first recorded £15,815. 8 price reductions recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observedAsking price
28 May 2026£15,815
10 June 2026£15,800
7 July 2026£15,800
8 July 2026£15,545
10 July 2026£15,545
24 July 2026£15,445
25 July 2026£15,445
29 July 2026£15,345
30 July 2026£15,345
13 August 2026£15,245
14 August 2026£16,222
8 September 2026£15,990
17 September 2026£15,740
17 October 2026£15,590
19 October 2026£15,590

Price and mileage comparison

Estimated market asking price: £17,063. The asking price is £1,473 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,756 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 35,300 miles lower than typical for a 2017 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 25 January 2027. 35,414 miles at the last test.

49 other cars with the same year, trim, gearbox and fuel are for sale from £8,299 to £29,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£8,299100,714 miles
£10,39099,900 miles
£10,39592,400 miles
£10,495123,000 miles
£11,995109,420 miles

These cars have covered 11,302–123,000 miles, compared with 35,850 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all BMW 4 Series cars for sale · 2017 BMW 4 Series price guide

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Dealer

Mayfair Motor Solutions, Marble Arch. Across the dealer network: 50 cars for sale.

Dealer postcode: W1H 7AB.

Dealer opening hours

Monday
10:00-19:00
Tuesday
10:00-19:00
Wednesday
10:00-19:00
Thursday
10:00-19:00
Friday
10:00-19:00
Saturday
10:00-19:00
Sunday
Closed

Vehicle photos