2018 BMW 4 Series

2.0 420d M Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)

£12,995

Fair price: within 8% of the typical £13,885 for this model, age and mileage, drawing on 1,763 adverts of this make and model.

Overview

Make
BMW
Model
4 Series
Trim
M SPORT
Version
2.0 420d M Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)
Mileage
72,000 miles
Year
2018
Fuel type
Diesel
Body type
Coupe
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
4
CO2
124 g/km
Colour
Black
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
420d
Emissions standard
Euro 6

About this car

This 2018 BMW 4 Series M Sport is advertised with 72,000 miles, approximately 9,000 above the typical mileage for its age. At £12,995, it is advertised £890 below our estimated market asking price of £13,885. Our estimate draws on 1,763 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 140 days ago, and its asking price has since fallen by £2,000. It may give you a starting point for a conversation about price. Its MOT is recorded as valid until 14 March 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at Goldstone Cars in Bedford.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 3 June 2026, 140 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £2,000 from the first recorded £14,995. 4 price reductions recorded, the latest observed on 16 October 2026.

Recorded asking prices
Date observedAsking price
4 June 2026£14,995
7 July 2026£14,995
14 July 2026£14,595
15 July 2026£14,595
25 August 2026£13,995
9 September 2026£13,595
16 October 2026£12,995
20 October 2026£12,995

Price and mileage comparison

Estimated market asking price: £13,885. The asking price is £890 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 1,763 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 9,000 miles higher than typical for a 2018 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 14 March 2027. 71,269 miles at the last test.

100 other cars with the same year, trim, gearbox and fuel are for sale from £10,000 to £20,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£10,000120,000 miles
£10,190109,000 miles
£10,995127,000 miles
£10,99575,432 miles
£11,055102,546 miles

These cars have covered 24,000–128,000 miles, compared with 72,000 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

Goldstone Cars, Bedford. Across the dealer network: 35 cars for sale.

Dealer postcode: MK42 7SB.

Dealer opening hours

Monday
09:30-18:00
Tuesday
09:30-18:00
Wednesday
09:30-18:00
Thursday
09:30-18:00
Friday
09:30-18:00
Saturday
10:30-18:00
Sunday
11:00-18:00

Vehicle photos