2023 BMW 4 Series 2.0 420i M Sport PRO Edition

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport PRO Edition
• Version: 2.0 420i M Sport Pro Edition Auto RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2023
• Mileage: 42,489 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 42,489 miles, this 2023 BMW 4 Series M Sport Pro Edition has covered about 14,000 more miles than other 2023 BMW 4 Series cars. The AskCar estimate for this car is £28,233. It is priced at £27,995, which is £238 below that estimate. The AskCar estimate draws on 1,787 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 105 days ago. Its asking price has since fallen by £6,000. The seller is Agnew Group Bavarian BMW, based in Belfast. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £238 (under 1%) under the AskCar estimate of £28,233.

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 1,787 priced BMW 4 Series adverts across different ages and specifications, as of 2 November 2026.

A 2023 BMW 4 Series with the 2.0 petrol engine is typically advertised at £29,500: the median of the 82 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 BMW 4 Series has been on sale for at least 105 days.

Price history

AskCar first saw this advert on 20 July 2026 at £33,995. Its asking price is now £27,995, £6,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 20 July 2026: £33,995
• 5 September 2026: £32,995
• 12 September 2026: £31,995
• 20 September 2026: £30,995
• 30 September 2026: £29,995
• 22 October 2026: £28,995
• 31 October 2026: £27,995

Mileage and MOT

Advertised mileage is about 14,000 miles higher than the median mileage of a 2023 BMW 4 Series on AskCar.

Similar cars

1 other 2023 BMW 4 Series M Sport PRO Edition 2.0 petrol automatic convertible is for sale at UK dealers, as of 2 November 2026.

The closest to this car in mileage:

• 2023 BMW 4 Series M Sport PRO Edition, 2.0 petrol convertible, red. Mileage: 32,230 miles. Price: £31,499, £3,504 more than this car. Dealer: Stratstone Derby BMW in Derby. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-1a50d1993e12