This 2019 Trans Am Super Duty 455, on the other hand, boasts in excess of 1,000 horsepower and over 1,046 pound-foot (1,418 Nm) of torque.

Though it wasn't the quickest or the most powerful iteration of Pontiac's iconic Trans Am line, the 1971-1972 455 HO will continue to be remembered as a a defiant, large-displacement middle finger ...

It's one of 887 of its kind. This absolutely gorgeous Trans Am is as rare as it is potent with a 455 under the hood.

In the world of classic cars, some vehicles defied the conventional balance between torque and horsepower, delivering an ...

The Pontiac Trans Am was powered by the LS5 455 HO engine. Output was rated at 300 horsepower, but the engine was essentially unchanged from the 335-horsepower version for 1971.

The Formula Firebird cost $3,276 and the Trans-Am cost $4,204. Buyers who wanted a Trans Am, the Super Duty 455, and few other goodies were looking at $5,000.

The 1977 Pontiac Trans Am SE would make automotive history as the four-wheeled star of Smokey and the Bandit. This example is a fourteen-mile time capsule.

Historically, the Pontiac Firebird Trans Am raised the performance levels a notch or two over a plain Firebird in the muscle car hierarchy of the Sixties.

The 73 Super Duty 455 wasn't produced in any great quantities, but just having the engine available was a big boost to the Trans Am's image. Only 252 SD-455 Trans Ams were made in 73, and 943 were ...

The 1985 Pontiac Trans Am is a relatively affordable muscle car icon, with plenty of horsepower and drivetrain options to choose from.