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 5dr Step (181 bhp)
• Year: 2023
• Mileage: 28,591 miles
• Fuel: Petrol
• Body: Coupe, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 152 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series Gran Coupe M Sport has covered 28,591 miles. The AskCar estimate for this car is £28,584. It is priced at £28,293, which is £291 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,174 BMW 4 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 31 days ago, the asking price has dropped by £207. The seller is Stratstone Bmw Hull, based in Hull. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £291 (1%) under the AskCar estimate of £28,584.

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 1,174 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 7 November 2026.

A 2023 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £29,000: the median of the 63 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2023 BMW 4 Series Gran Coupe has been on sale for at least 31 days.

Price history

AskCar first saw this advert on 7 October 2026 at £28,500. Its asking price is now £28,293, £207 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 7 October 2026: £28,500
• 15 October 2026: £28,690
• 16 October 2026: £28,680
• 27 October 2026: £28,490
• 7 November 2026: £28,293

Mileage and MOT

Advertised mileage is about 400 miles higher than the median mileage of a 2023 BMW 4 Series Gran Coupe on AskCar.

Similar cars

21 other 2023 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £23,990 to £33,498, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, blue. Mileage: 28,659 miles. Price: £28,498, £205 more than this car. Dealer: Arnold Clark Glasgow South Street Vauxhall Peugeot Citroen Ds Mazda Vanstorelepas in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-49ea041f5246
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, white. Mileage: 29,037 miles. Price: £28,250, the same price as this car. Dealer: Sytner Swansea MINI in Swansea. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-b9f0b424e67d
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, black. Mileage: 26,676 miles. Price: £29,450, £1,157 more than this car. Dealer: Lloyd Newcastle BMW in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-3b430c57d2f8

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, green, 36 miles from this car. Mileage: 44,740 miles. Price: £25,190, £3,103 less than this car. Dealer: Evans Halshaw Vauxhall York in York. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-5fd81ad27a1a