What new car to purchase

Looking at an AMG GT53, Audi S7, Porsche Panamera 4S and BMW M550i. Which of these won’t I regret buying.

I am new here but would love to contribute. In my opinion you can't go wrong with a Mercedes. Especially an AMG if you can afford one. It is a nice car and enjoyable to drive.

I just published a Mercedes buying guide (https://www.mynewstips.com/auto/mercedes-benz-ultimate-buying-guide) that goes over each and every model you can read. Would love to get some feedback after you after reviewed and i'd be happy to help answer any question you might have.