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: 28,874 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series Gran Coupe M Sport is advertised with 28,874 miles on the clock. The dealer is asking £26,920, which is £1,976 below the AskCar estimate of £28,896. 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 recorded this advert 44 days ago, and its asking price has since fallen by £977. You can find this car at Ocean Falmouth BMW in Penryn. 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: £1,976 (6%) under the AskCar estimate of £28,896.

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 £27,897. Its asking price is now £26,920, £977 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 25 September 2026: £27,897
• 29 October 2026: £26,920

Mileage and MOT

Advertised mileage is about 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: 29,100 miles. Price: £28,990, £2,070 more than this car. Dealer: Dick Lovett BMW Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-66370a35de3d
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey. Mileage: 29,150 miles. Price: £30,495, £3,575 more than this car. Dealer: Group 1 Ipswich BMW in Ipswich. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-66fafd0cc312
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 28,154 miles. Price: £29,995, £3,075 more than this car. Dealer: Park's Motor Group Douglas Park BMW Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-af9573e4e178

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue, 47 miles from this car. Mileage: 43,973 miles. Price: £28,956, £2,036 more than this car. Dealer: Ocean Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-f30af352279b