Up for auction today at Bring a Trailer (which, like Car and Driver, is part of Hearst Autos) is a Brewster Green 1973 Pontiac Firebird Trans Am 455 with the desirable four-speed manual transmission.

This 1973 Firebird Trans Am 455 comes fitted with a highly-desirable 4-speed manual transmission.

Hagerty highlights a pristine 1973 Pontiac Firebird Trans Am with a 455 big block V8, and goes for a ride in the 1973 Pontiac Trans Am.

More than the typical father-son project, this 1973 Pontiac Trans Am is a state-of-the-art college-prep engineering internship.

The SD-455 debuted quietly in 1973 as an option on the Formula and Trans Am versions of the Firebird. Find out more about the 1973-1974 Pontiac Firebird Trans Am SD-455 in this collectible classic ...

The 1973 Trans Am SD-455 was a risky project that became incredibly successful during a time when developing a new high-performance car was considered pure madness.

This 1973 Trans Am is listed for auction online without a reserve, coming with a rare four-speed option but with a different engine under the hood ...

Both Kevin King and John Cunningham are big, burly dudes. Both are 46 years old. Both hail from the South. Both love muscle cars. And both dreamed of someday building 1973 Pontiac Trans Ams after ...

This video showcases a 1973 Pontiac Firebird Trans Am restomod with a General Motors LS6 V8 Small Block engine and modern six-speed manual transmission.

Up for auction today at Bring a Trailer (which, like Car and Driver, is part of Hearst Autos) is a Brewster Green 1973 Pontiac Firebird Trans Am 455 with the desirable four-speed manual ...

Up for auction today at Bring a Trailer (which, like Car and Driver, is part of Hearst Autos) is a Brewster Green 1973 Pontiac Firebird Trans Am 455 with the desirable four-speed manual transmission.