2023 BMW 4 Series

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

£31,000

Fair price: within 8% of the typical £29,015 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 [Pro Pack] Auto RWD Euro 6 2dr Step (181 bhp)
Mileage
36,980 miles
Year
2023
Fuel type
Petrol
Body type
Convertible
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
4
CO2
154 g/km
Colour
Grey
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

With 36,980 miles on the clock, this 2023 BMW 4 Series M Sport has done roughly 7,800 more miles than a typical 2023 BMW 4 Series. The dealer is asking £31,000, which is £1,985 above our market estimate of £29,015. Our estimate draws on 1,758 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 55 days ago. Its asking price has since fallen by £1,000. MOT records show an expiry date of 16 March 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Coventry BMW, based in Coventry.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 29 August 2026, 55 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £1,000 from the first recorded £32,000. 3 price reductions recorded, the latest observed on 14 October 2026.

Recorded asking prices
Date observedAsking price
29 August 2026£32,000
25 September 2026£31,500
1 October 2026£31,250
14 October 2026£31,000
22 October 2026£31,000

Price and mileage comparison

Estimated market asking price: £29,015. The asking price is £1,985 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 7,800 miles higher than typical for a 2023 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 16 March 2027. 31,699 miles at the last test.

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 36,980 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