they said from the factory it has 275, but it was more like 315 to 330 because they still wanted the vettes to be they king of horse power they only difference from the trans am and the corvette is a two bolt and a four bolt main witch does inter fear with horsepower
It is advertised that the ls1 trans am gets 305 horsepower but it really gets 345 horsepower, GM didnt want the trans am competing with the corvette
The 1997 Trans Ams have 285 horsepower. The WS6 models had 305.
305
The LT1 Trans am is rated to have 275whp from the factory.
The 1987 Trans Am didn't have a 455
305 horsepower.
Depends on the engine
Depends on what year trans am your talking about, need the year.
310 horsepower.
205 horsepower
285 hp
240-245 hp