2020 BMW 4 Series

2.0 420d M Sport Auto 4WD Euro 6 (s/s) 2dr (187 bhp)

£17,950

Fair price: within 8% of the typical £18,507 for this model, age and mileage, drawing on 1,749 adverts of this make and model.

Overview

Make
BMW
Model
4 Series
Trim
M SPORT
Version
2.0 420d M Sport Auto 4WD Euro 6 (s/s) 2dr (187 bhp)
Mileage
52,703 miles
Year
2020
Fuel type
Diesel
Body type
Coupe
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
4
CO2
125 g/km
Colour
Blue
Doors
2
Driven wheels
Four Wheel Drive
Engine badge
420d
Emissions standard
Euro 6

About this car

This 2020 BMW 4 Series M Sport is advertised with 52,703 miles, approximately 8,900 above the typical mileage for its age. Its asking price of £17,950 is £557 below our estimate of £18,507. Our estimate draws on 1,749 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 27 days ago. Its asking price has since fallen by £1,000. MOT records show an expiry date of 1 April 2027, and the latest recorded mileage is consistent with the advert. It is advertised by JKC BMW in Coleraine.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 September 2026, 27 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £1,000 from the first recorded £18,950. 1 price reduction recorded, the latest observed on 3 October 2026.

Recorded asking prices
Date observedAsking price
25 September 2026£18,950
3 October 2026£17,950
21 October 2026£17,950

Price and mileage comparison

Estimated market asking price: £18,507. The asking price is £557 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 1,749 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 8,900 miles higher than typical for a 2020 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 1 April 2027. 49,943 miles at the last test.

25 other cars with the same year, trim, gearbox and fuel are for sale from £14,299 to £24,905.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£14,29986,465 miles
£14,80052,196 miles
£16,95058,367 miles
£17,19947,070 miles
£17,29068,400 miles

These cars have covered 22,766–86,465 miles, compared with 52,703 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 · 2020 BMW 4 Series price guide

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Dealer

JKC BMW, Coleraine. Across the dealer network: 122 cars for sale.

Dealer postcode: BT52 2DZ.

Vehicle photos