2023 BMW 4 Series 2.0 420i M Sport
Price: £29,250. Above the going rate: £3,404 (13%) over the AskCar estimate of £25,846, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,833 priced BMW 4 Series adverts on AskCar as of 5 November 2026.
AskCar lists 1,879 used BMW 4 Series from 1,081 UK dealerships, as of 5 November 2026.
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)
- Year: 2023
- Mileage: 51,622 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Grey
- CO2: 154 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 BMW 4 Series M Sport is advertised with 51,622 miles, approximately 23,700 above the typical mileage for its age. The dealer is asking £29,250, which is £3,404 above the AskCar estimate of £25,846. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. It first appeared in our advert records 12 days ago. The seller is Sytner Leicester BMW, based in Leicester. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Above the going rate: £3,404 (13%) over the AskCar estimate of £25,846.
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 1,833 priced BMW 4 Series adverts across different ages and specifications, as of 5 November 2026.
A 2023 BMW 4 Series with the 2.0 petrol engine is typically advertised at £29,900: the median of the 90 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2023 BMW 4 Series has been on sale for at least 12 days.
Price history
AskCar first saw this advert on 24 October 2026 at £29,250. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 23,700 miles higher than the median mileage of a 2023 BMW 4 Series on AskCar.
Similar cars
33 other 2023 BMW 4 Series M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £26,101 to £33,990, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2023 BMW 4 Series M Sport, 2.0 petrol convertible, blue. Mileage: 50,186 miles. Price: £28,193, £1,057 less than this car. Dealer: Group 1 Bedford BMW in Bedford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-dcefe1ba2b2f
- 2023 BMW 4 Series M Sport, 2.0 petrol convertible, green. Mileage: 47,990 miles. Price: £26,500, £2,750 less than this car. Dealer: Sytner Select Swindon in Swindon. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-60ae0778275c
- 2023 BMW 4 Series M Sport, 2.0 petrol convertible, green. Mileage: 39,783 miles. Price: £32,491, £3,241 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-6a3e095e2aca
- The nearest: 2023 BMW 4 Series M Sport, 2.0 petrol convertible, grey, 19 miles from this car. Mileage: 32,611 miles. Price: £30,750, £1,500 more than this car. Dealer: Sytner Coventry BMW in Coventry. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-9640c3b9c591
Browse all BMW 4 Series cars for sale · 2023 BMW 4 Series price guide
More like this
- Used BMW 4 Series M Sport prices
- Used BMW 4 Series for sale under £30,000
- Used petrol BMW 4 Series for sale
- Used BMW 4 Series for sale near Leicester
Photos
24 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.