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: 29,150 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 29,150 miles. The AskCar estimate for this car is £28,859. It is priced at £30,495, which is £1,636 above that estimate. The AskCar estimate uses 1,169 UK dealer adverts for the BMW 4 Series Gran Coupe, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 15 days ago. Its asking price has since fallen by £495. The seller is Group 1 Ipswich BMW, based in Ipswich. 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: £1,636 (5%) over the AskCar estimate of £28,859.

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 15 days.

Price history

AskCar first saw this advert on 24 October 2026 at £30,990. Its asking price is now £30,495, £495 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 24 October 2026: £30,990
• 31 October 2026: £30,750
• 6 November 2026: £30,495

Mileage and MOT

Advertised mileage is about 1,000 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, £1,505 less 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, blue. Mileage: 28,874 miles. Price: £26,920, £3,575 less than this car. Dealer: Ocean Falmouth BMW in Falmouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-630bb6d06821
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, green. Mileage: 29,758 miles. Price: £28,990, £1,505 less 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

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white, 35 miles from this car. Mileage: 40,672 miles. Price: £25,995, £4,500 less than this car. Dealer: Group 1 Chelmsford BMW in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-b414a868e3c5