There are cars that win races. There are cars that win hearts. And then, on rare occasions, there are cars that do something more uncomfortable and more lasting than either of those things. They win arguments. The 1970 Ford Mustang…

There’s a particular kind of insult that gets handed down through automotive history, and Buick has been on the receiving end of it for decades. The brand built its reputation on comfort, quiet, and the kind of ride quality that…