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: 30,878 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Green
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 30,878 miles on the clock, this 2023 BMW 4 Series Gran Coupe M Sport has done roughly 2,700 more miles than a typical 2023 BMW 4 Series Gran Coupe. Priced at £28,499, it is advertised £106 below the AskCar estimate of £28,605. The AskCar estimate draws on 1,169 BMW 4 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. The seller is Halliwell Jones Chester BMW, based in Chester. 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: £106 (under 1%) under the AskCar estimate of £28,605.

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

AskCar first saw this 2023 BMW 4 Series Gran Coupe advertised today. About half of 2023 BMW 4 Series Gran Coupe cars are gone from sale within a month of being advertised: 73 of the 135 first advertised between 9 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 8 November 2026 at £28,499. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 2,700 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, blue. Mileage: 30,780 miles. Price: £26,799, £1,700 less than this car. Dealer: Available Car Supermarket - Sutton-In-Ashfield in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-be1ec2b5b1f9
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, green. Mileage: 29,758 miles. Price: £28,990, £491 more than this car. Dealer: Group 1 Southend BMW in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-9dce4823c042
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 32,590 miles. Price: £28,519, the same price as this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-967c0553baa9

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black, 20 miles from this car. Mileage: 37,301 miles. Price: £27,499, £1,000 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