2023 BMW 4 Series

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

£28,766

Fair price: within 8% of the typical £28,193 for this model, age and mileage, drawing on 1,725 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
36,776 miles
Year
2023
Fuel type
Petrol
Body type
Coupe
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
4
CO2
151 g/km
Colour
Grey
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

This 2023 BMW 4 Series M Sport has covered 36,776 miles, around 7,700 more than typical for its age. At £28,766, it is advertised £573 above our estimated market asking price of £28,193. To estimate its market asking price, we analyse UK dealer adverts for 1,725 BMW 4 Series cars across different ages and specifications. We first saw this car advertised 29 days ago. Its asking price has since fallen by £1,172. It is advertised by Hedin Automotive Blackheath BMW in London.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 September 2026, 29 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £1,172 from the first recorded £29,938. 3 price reductions recorded, the latest observed on 22 October 2026.

Recorded asking prices
Date observedAsking price
25 September 2026£29,938
8 October 2026£29,373
14 October 2026£28,972
22 October 2026£28,766
23 October 2026£28,766

Price and mileage comparison

Estimated market asking price: £28,193. The asking price is £573 above 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 1,725 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 7,700 miles higher than typical for a 2023 BMW 4 Series.

MOT

MOT no details held by dvla.

60 other cars with the same year, trim, gearbox and fuel are for sale from £23,799 to £35,880.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£23,79956,183 miles
£24,99539,899 miles
£24,99937,350 miles
£24,99945,203 miles
£25,89051,584 miles

These cars have covered 3,057–56,183 miles, compared with 36,776 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 · 2023 BMW 4 Series price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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