2023 BMW 4 Series

2.0 420i M Sport Pro Edition Auto RWD Euro 6 2dr Step (181 bhp)

£28,995

Fair price: within 8% of the typical £27,999 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 PRO EDITION
Version
2.0 420i M Sport Pro Edition Auto RWD Euro 6 2dr Step (181 bhp)
Mileage
42,489 miles
Year
2023
Fuel type
Petrol
Body type
Convertible
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
4
CO2
159 g/km
Colour
Blue
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

At 42,489 miles, this 2023 BMW 4 Series M Sport Pro Edition has covered about 13,400 more miles than other 2023 BMW 4 Series cars. Our estimated market asking price is £27,999. This car is advertised at £28,995, which is £996 above that figure. Our estimate draws on 1,725 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 97 days ago. Its asking price has since fallen by £5,000. That history is worth bearing in mind when speaking to the dealer. The seller is Agnew Group Bavarian BMW, based in Belfast.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 July 2026, 97 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £5,000 from the first recorded £33,995. 5 price reductions recorded, the latest observed on 22 October 2026.

Recorded asking prices
Date observedAsking price
20 July 2026£33,995
21 July 2026£33,995
5 September 2026£32,995
12 September 2026£31,995
20 September 2026£30,995
30 September 2026£29,995
22 October 2026£28,995
23 October 2026£28,995

Price and mileage comparison

Estimated market asking price: £27,999. The asking price is £996 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 13,400 miles higher than typical for a 2023 BMW 4 Series.

MOT

MOT no details held by dvla.

5 other cars with the same year, trim, gearbox and fuel are for sale from £29,500 to £31,798.

Other matching cars
Asking priceMileage
£29,50038,045 miles
£30,99526,067 miles
£30,99524,999 miles
£30,99919,305 miles
£31,79818,659 miles

These cars have covered 18,659–38,045 miles, compared with 42,489 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

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