2023 BMW 4 Series Gran Coupe 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series Gran Coupe
• Trim: M Sport
• Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2023
• Mileage: 36,776 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series Gran Coupe M Sport has covered 36,776 miles, around 8,600 more miles than is typical for its age. Priced at £28,501, it is advertised £835 above the AskCar estimate of £27,666. To work out the AskCar estimate, we analyse UK dealer adverts for 1,169 BMW 4 Series Gran Coupe cars across different ages and specifications. We first saw this car advertised 44 days ago. Its asking price has since fallen by £1,437. It is advertised by Hedin Automotive Blackheath BMW in London. 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: £835 (3%) over the AskCar estimate of £27,666.

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 1,169 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 8 November 2026.

A 2023 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £28,900: the median of the 64 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2023 BMW 4 Series Gran Coupe has been on sale for at least 44 days.

Price history

AskCar first saw this advert on 25 September 2026 at £29,938. Its asking price is now £28,501, £1,437 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 25 September 2026: £29,938
• 8 October 2026: £29,373
• 14 October 2026: £28,972
• 22 October 2026: £28,766
• 6 November 2026: £28,501

Mileage and MOT

Advertised mileage is about 8,600 miles higher than the median mileage of a 2023 BMW 4 Series Gran Coupe on AskCar.

Similar cars

31 other 2023 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £22,995 to £32,490, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 37,301 miles. Price: £27,499, £1,002 less than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-26e48c8e4860
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, green. Mileage: 35,510 miles. Price: £27,000, £1,501 less than this car. Dealer: MB Brent Park in London. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-0af79583d2b2
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue. Mileage: 38,583 miles. Price: £27,990, £511 less than this car. Dealer: Dick Lovett BMW Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-e198180e7ae4