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: 34,056 miles
• Fuel: Petrol
• Body: Coupe, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 152 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series Gran Coupe M Sport is advertised with 34,056 miles, approximately 5,400 above the typical mileage for its age. The dealer is asking £25,990, which is £1,777 below the AskCar estimate of £27,767. To work out the AskCar estimate, we analyse UK dealer adverts for 1,195 BMW 4 Series Gran Coupe cars across different ages and specifications. It first appeared in our advert records today. The seller is Greenhous Telford, based in Telford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,777 (6%) under the AskCar estimate of £27,767.

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 1,195 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 5 November 2026.

A 2023 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £28,700: the median of the 64 for sale on AskCar, as of 5 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: 71 of the 133 first advertised between 9 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £25,990. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 5,400 miles higher than the median mileage of a 2023 BMW 4 Series Gran Coupe on AskCar.

Similar cars

23 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 5 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, grey. Mileage: 33,164 miles. Price: £27,277, £1,287 more than this car. Dealer: CarSupermarket.com Newcastle in Tynemouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-231b7aaf01f7
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, grey. Mileage: 35,565 miles. Price: £29,000, £3,010 more than this car. Dealer: Sytner Nottingham BMW in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-a30537cc978a
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, green. Mileage: 31,262 miles. Price: £28,208, £2,218 more than this car. Dealer: Vertu BMW Durham in Durham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-9bb6febfe94d

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, white, 24 miles from this car. Mileage: 20,299 miles. Price: £28,199, £2,209 more than this car. Dealer: Motorpoint Oldbury in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-0118b3df6cfc