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 Euro 6 (s/s) 2dr (187 bhp)
• Year: 2023
• Mileage: 44,201 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Colour: Black
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series M Sport has covered 44,201 miles, around 16,100 more miles than is typical for its age. Priced at £25,650, it is advertised £1,044 below the AskCar estimate of £26,694. The AskCar estimate draws on 1,826 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Group 1 Chelmsford BMW, based in Chelmsford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,044 (3%) under the AskCar estimate of £26,694.

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 1,826 priced BMW 4 Series adverts across different ages and specifications, as of 6 November 2026.

A 2023 BMW 4 Series with the 2.0 diesel engine is typically advertised at £29,600: the median of the 89 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2023 BMW 4 Series advertised 1 day ago. About 4 in 10 of 2023 BMW 4 Series cars are gone from sale within a month of being advertised: 82 of the 185 first advertised between 11 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £25,650. 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 6 November 2026: valid until 19 August 2027.

It has had one MOT, on 20 August 2026, and passed.

Advisories at the latest test: nearside rear inner tyre worn close to legal limit/worn on edge.

Mileage at that test: 42,682 miles, which matches the advertised 44,201 miles.

Advertised mileage is about 16,100 miles higher than the median mileage of a 2023 BMW 4 Series on AskCar.

Similar cars

8 other 2023 BMW 4 Series M Sport 2.0 diesel automatic coupes are for sale at UK dealers, from £24,282 to £29,695, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 36,794 miles. Price: £27,395, £1,745 more than this car. Dealer: Park's Motor Group Douglas Park BMW Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-87f76e144b10
• 2023 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 54,000 miles. Price: £25,000, £650 less than this car. Dealer: Swale Auto Sales II in Richmond. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-3af0a207130e
• 2023 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 32,961 miles. Price: £27,499, £1,849 more than this car. Dealer: Halliwell Jones North Wales BMW in Conwy. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-cb0d4ade8ee3

• The nearest: 2023 BMW 4 Series M Sport, 2.0 diesel coupe, blue, 62 miles from this car. Mileage: 21,406 miles. Price: £29,695, £4,045 more than this car. Dealer: Group 1 Hailsham BMW in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-c50c54cdbd9b