2023 BMW 4 Series

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

£33,699

Fair price: within 8% of the typical £31,245 for this model, age and mileage, drawing on 1,758 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
18,969 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
Black
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

At 18,969 miles, this 2023 BMW 4 Series M Sport has covered about 10,200 fewer miles than other 2023 BMW 4 Series cars. The dealer is asking £33,699, which is £2,454 above our market estimate of £31,245. Our estimate draws on 1,758 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £290 lower than when we first recorded the advert 26 days ago. It is for sale at Halliwell Jones North Wales BMW in Llandudno Junction.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 27 September 2026, 26 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £290 from the first recorded £33,989. 2 price reductions recorded, the latest observed on 21 October 2026.

Recorded asking prices
Date observedAsking price
27 September 2026£33,989
12 October 2026£33,799
21 October 2026£33,699
22 October 2026£33,699

Price and mileage comparison

Estimated market asking price: £31,245. The asking price is £2,454 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 1,758 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 10,200 miles lower than typical for a 2023 BMW 4 Series.

MOT

MOT no details held by dvla.

63 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 18,969 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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