2023 BMW 4 Series 2.0 420d MHT M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420d MHT M Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)
• Year: 2023
• Mileage: 22,161 miles
• Fuel: Diesel, mild hybrid
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series M Sport is advertised with 22,161 miles, approximately 6,200 below the typical mileage for its age. Its asking price of £31,892 is £1,978 above the AskCar estimate of £29,914. The AskCar estimate uses UK dealer asking prices, including 1,816 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 23 days ago, and its asking price has since fallen by £598. Its advertised mileage matches the government's MOT record. The seller is Partridge BMW, based in Eastleigh. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,978 (6%) over the AskCar estimate of £29,914.

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 1,816 priced BMW 4 Series adverts across different ages and specifications, as of 8 November 2026.

A 2023 BMW 4 Series with the 2.0 diesel engine is typically advertised at £29,600: the median of the 86 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2023 BMW 4 Series has been on sale for at least 23 days.

Price history

AskCar first saw this advert on 16 October 2026 at £32,490. Its asking price is now £31,892, £598 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 16 October 2026: £32,490
• 4 November 2026: £32,191
• 7 November 2026: £31,892

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 25 March 2027.

It has had one MOT, on 26 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 19,125 miles, which matches the advertised 22,161 miles.

Advertised mileage is about 6,200 miles lower than the median mileage of a 2023 BMW 4 Series on AskCar.

Similar cars

1 other 2023 BMW 4 Series M Sport 2.0 diesel automatic convertible is for sale at UK dealers, as of 8 November 2026.

The closest to this car in mileage:

• 2023 BMW 4 Series M Sport, 2.0 diesel convertible, black. Mileage: 59,989 miles. Price: £27,995, £3,897 less than this car. Dealer: Top Cars Telford in Dawley. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-cad05eccc4aa