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: 59,989 miles
• Fuel: Diesel, mild hybrid
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series M Sport has covered 59,989 miles, around 31,700 more miles than is typical for its age. The AskCar estimate for this car is £24,393. It is priced at £27,995, which is £3,602 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,816 BMW 4 Series cars across different ages and specifications. We have tracked this advert for 114 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Top Cars Telford, based in Telford. 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

Above the going rate: £3,602 (14%) over the AskCar estimate of £24,393.

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 114 days.

Price history

AskCar first saw this advert on 17 July 2026 at £27,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 24 February 2027.

It has had one MOT, on 6 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 53,350 miles, which matches the advertised 59,989 miles.

Advertised mileage is about 31,700 miles higher 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, grey. Mileage: 22,161 miles. Price: £31,892, £3,897 more than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-3e87461e4ed5