The 1998 Pontiac Firebird Trans Am marked a turning point for GM’s pony car, bringing the all-aluminum LS1 V8 into a platform ...

Here’s a look at seven of our favorite secret V-12 prototypes and other one-off models, and our take on how they could have changed the automotive world if they’d been allowed to enter production.

The 1969 Pontiac Catalina 2+2 arrived at the tail end of Detroit’s first muscle era and proved that a big, comfortable family ...