2023 BMW 4 Series 2.0 420i M Sport
Price: £33,499. Above the going rate: £2,595 (8%) over the AskCar estimate of £30,904, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,825 priced BMW 4 Series adverts on AskCar as of 7 November 2026.
AskCar lists 1,882 used BMW 4 Series from 1,079 UK dealerships, as of 7 November 2026.
Overview
- Make: BMW
- Model: 4 Series
- Trim: M Sport
- Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
- Year: 2023
- Mileage: 18,969 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 160 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 18,969 miles, this 2023 BMW 4 Series M Sport has covered about 9,400 fewer miles than other 2023 BMW 4 Series cars. The dealer is asking £33,499, which is £2,595 above the AskCar estimate of £30,904. To work out the AskCar estimate, we analyse UK dealer adverts for 1,825 BMW 4 Series cars across different ages and specifications. The asking price is now £490 lower than when we first recorded the advert 41 days ago. It is for sale at Halliwell Jones North Wales BMW in Llandudno Junction. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Above the going rate: £2,595 (8%) over the AskCar estimate of £30,904.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 1,825 priced BMW 4 Series adverts across different ages and specifications, as of 7 November 2026.
A 2023 BMW 4 Series with the 2.0 petrol engine is typically advertised at £29,600: the median of the 86 for sale on AskCar, as of 7 November 2026.
Time on sale
This 2023 BMW 4 Series has been on sale for at least 41 days.
Price history
AskCar first saw this advert on 27 September 2026 at £33,989. Its asking price is now £33,499, £490 less. The latest price cut was seen on 3 November 2026.
Price changes recorded:
- 27 September 2026: £33,989
- 12 October 2026: £33,799
- 21 October 2026: £33,699
- 3 November 2026: £33,499
Mileage and MOT
Advertised mileage is about 9,400 miles lower than the median mileage of a 2023 BMW 4 Series on AskCar.
Similar cars
30 other 2023 BMW 4 Series M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £25,999 to £33,990, as of 7 November 2026.
The 3 closest to this car in mileage:
- 2023 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 18,857 miles. Price: £30,500, £2,999 less than this car. Dealer: Hedin Automotive Enfield BMW in Enfield. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-f0574a56d3ea
- 2023 BMW 4 Series M Sport, 2.0 petrol convertible, white. Mileage: 21,567 miles. Price: £30,995, £2,504 less than this car. Dealer: Lloyd Blackpool BMW in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-98b93f7a1843
- 2023 BMW 4 Series M Sport, 2.0 petrol convertible, white. Mileage: 21,567 miles. Price: £30,995, £2,504 less than this car. Dealer: Lloyd Blackpool BMW in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-bb727efe6367
Browse all BMW 4 Series cars for sale · 2023 BMW 4 Series price guide
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Photos
37 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.