2023 BMW 4 Series

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

£31,150

Fair price: within 8% of the typical £30,679 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 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
Mileage
21,975 miles
Year
2023
Fuel type
Petrol
Body type
Convertible
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
4
CO2
160 g/km
Colour
White
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 21,975 miles, around 7,200 fewer than typical for its age. At £31,150, it is advertised £471 above our estimated market asking price of £30,679. The estimate uses 1,749 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 48 days ago. Its asking price has since fallen by £800. The seller is Sandal BMW Wakefield, based in Wakefield.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 4 September 2026, 48 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £800 from the first recorded £31,950. 2 price reductions recorded, the latest observed on 1 October 2026.

Recorded asking prices
Date observedAsking price
4 September 2026£31,950
18 September 2026£31,500
1 October 2026£31,150
21 October 2026£31,150

Price and mileage comparison

Estimated market asking price: £30,679. The asking price is £471 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 1,749 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 7,200 miles lower than typical for a 2023 BMW 4 Series.

MOT

MOT no details held by dvla.

64 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 21,975 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