2023 BMW 4 Series

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

£28,200

Fair price: within 8% of the typical £27,869 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 2dr Step (181 bhp)
Mileage
30,350 miles
Year
2023
Fuel type
Petrol
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
4
CO2
151 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 30,350 miles. The dealer is asking £28,200, which is £331 above our market estimate of £27,869. To estimate its market asking price, we analyse UK dealer adverts for 1,749 BMW 4 Series cars across different ages and specifications. We first recorded this advert 22 days ago, and its asking price has since fallen by £300. MOT records show an expiry date of 30 March 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Luton BMW, based in Luton.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 September 2026, 22 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £300 from the first recorded £28,500. 1 price reduction recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observedAsking price
30 September 2026£28,500
17 October 2026£28,200
21 October 2026£28,200

Price and mileage comparison

Estimated market asking price: £27,869. The asking price is £331 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 1,200 miles higher than typical for a 2023 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 30 March 2027. 28,911 miles at the last test.

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 30,350 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