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: 20,495 miles
• Fuel: Petrol
• Body: Coupe, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• 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 20,495 miles, approximately 8,100 below the typical mileage for its age. The AskCar estimate for this car is £29,452. It is priced at £29,329, which is £123 below that estimate. The AskCar estimate uses 1,167 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 5 days ago. Its asking price has since fallen by £500. It is for sale at Vertu BMW Teesside in Stockton-on-Tees. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £123 (under 1%) under the AskCar estimate of £29,452.

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 1,167 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 10 November 2026.

A 2023 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £28,600: the median of the 68 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2023 BMW 4 Series Gran Coupe advertised 5 days ago. About half of 2023 BMW 4 Series Gran Coupe cars are gone from sale within a month of being advertised: 74 of the 138 first advertised between 13 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £29,829. Its asking price is now £29,329, £500 less. The latest price cut was seen on 9 November 2026.

Price changes recorded:

• 5 November 2026: £29,829
• 9 November 2026: £29,329

Mileage and MOT

Advertised mileage is about 8,100 miles lower than the median mileage of a 2023 BMW 4 Series Gran Coupe on AskCar.

Similar cars

24 other 2023 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £23,350 to £33,498, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, white. Mileage: 20,299 miles. Price: £28,199, £1,130 less than this car. Dealer: Motorpoint Oldbury in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-0118b3df6cfc
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, grey. Mileage: 20,873 miles. Price: £30,498, £1,169 more than this car. Dealer: Arnold Clark Stirling Volvo / GWM / BYD in Stirling. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-b136427b4c74
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, grey. Mileage: 21,129 miles. Price: £30,500, £1,171 more than this car. Dealer: Listers BMW King's Lynn in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-ba0f67b34b3a

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, green, 19 miles from this car. Mileage: 31,262 miles. Price: £27,708, £1,621 less than this car. Dealer: Vertu BMW Durham in Durham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-9bb6febfe94d