2018 BMW 4 Series

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

£13,399

Good value: £1,765 under the typical £15,164 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 RWD Euro 6 (s/s) 2dr (181 bhp)
Mileage
57,058 miles
Year
2018
Fuel type
Petrol
Body type
Coupe
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
4
CO2
134 g/km
Colour
White
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

At 57,058 miles, this 2018 BMW 4 Series M Sport has covered about 6,600 fewer miles than other 2018 BMW 4 Series cars. Our estimated market asking price is £15,164. This car is advertised at £13,399, which is £1,765 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 87 days ago, the asking price has dropped by £1,500. That may be worth mentioning if you discuss the price with the dealer. MOT records show an expiry date of 19 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Carpoint UK Motor Company, based in Newport.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 July 2026, 87 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £1,500 from the first recorded £14,899. 22 price reductions recorded, the latest observed on 18 October 2026.

Recorded asking prices
Date observedAsking price
25 July 2026£14,899
26 July 2026£14,899
30 July 2026£14,850
2 August 2026£14,799
4 August 2026£14,699
6 August 2026£14,650
7 August 2026£14,599
8 August 2026£14,599
11 August 2026£14,550
17 August 2026£14,499
19 August 2026£14,399
27 August 2026£14,350
29 August 2026£14,299
30 August 2026£14,250
4 September 2026£14,000
7 September 2026£13,950
21 September 2026£14,250
22 September 2026£13,999
24 September 2026£13,950
26 September 2026£13,899
28 September 2026£13,850
30 September 2026£13,799
2 October 2026£13,750
8 October 2026£13,699
10 October 2026£13,650
15 October 2026£13,500
16 October 2026£13,450
18 October 2026£13,399
19 October 2026£13,399

Price and mileage comparison

Estimated market asking price: £15,164. The asking price is £1,765 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 6,600 miles lower than typical for a 2018 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 19 July 2027. 56,883 miles at the last test.

72 other cars with the same year, trim, gearbox and fuel are for sale from £9,599 to £28,750.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£9,599117,000 miles
£10,299116,703 miles
£10,50065,800 miles
£11,295105,000 miles
£12,48872,600 miles

These cars have covered 10,000–117,000 miles, compared with 57,058 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 · 2018 BMW 4 Series price guide

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Dealer

Carpoint UK Motor Company, Newport. Across the dealer network: 75 cars for sale.

Dealer postcode: NP20 2JR.

Dealer opening hours

Monday
09:00-18:00
Tuesday
09:00-18:00
Wednesday
09:00-18:00
Thursday
09:00-13:00
Friday
09:00-18:00
Saturday
09:00-17:00
Sunday
10:00-14:00

Vehicle photos