2023 BMW 4 Series 2.0 420i M Sport

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: 14,459 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

With 14,459 miles on the clock, this 2023 BMW 4 Series M Sport has done roughly 13,500 fewer miles than a typical 2023 BMW 4 Series. Its asking price of £32,850 is £1,184 above the AskCar estimate of £31,666. The AskCar estimate uses UK dealer asking prices, including 1,833 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 79 days ago, the asking price has dropped by £2,940. The seller is Hedin Automotive Enfield BMW, based in Enfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,184 (3%) over the AskCar estimate of £31,666.

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 79 days.

Price history

AskCar first saw this advert on 18 August 2026 at £35,790. Its asking price is now £32,850, £2,940 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 18 August 2026: £35,790
• 25 August 2026: £36,295
• 3 September 2026: £35,883
• 15 September 2026: £35,696
• 17 September 2026: £35,411
• 22 September 2026: £35,291
• 24 September 2026: £35,225
• 29 September 2026: £35,006
• 4 October 2026: £34,000
• 15 October 2026: £33,500
• 24 October 2026: £33,000
• 28 October 2026: £32,850

Mileage and MOT

Advertised mileage is about 13,500 miles lower 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, green. Mileage: 13,000 miles. Price: £33,990, £1,140 more than this car. Dealer: James Paul in Horsham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-60820fa96357
• 2023 BMW 4 Series M Sport, 2.0 petrol convertible, white. Mileage: 12,515 miles. Price: £32,699, £151 less than this car. Dealer: Williams Bolton Bmw in Bolton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-9ff859311334
• 2023 BMW 4 Series M Sport, 2.0 petrol convertible, blue. Mileage: 10,460 miles. Price: £32,399, £451 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-2374fa29cfc5

• The nearest: 2023 BMW 4 Series M Sport, 2.0 petrol convertible, green, under a mile from this car. Mileage: 23,401 miles. Price: £31,000, £1,850 less than this car. Dealer: Hedin Automotive Enfield BMW in Enfield. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-3e1237447cb9