From the factory it was rated at 400 horsepower.
400 horsepower at the crank at 5200 rpm
400 horsepower and 400 lb/ft of torque.
The 2006 Pontiac GTO has 400 horsepower available. You can increase this by doing modifications to the vehicle to make it even faster and more powerful.
15 to 20 horse.
5 or 10 horse.
1964 Standard 389 4bbl had 325 horsepower. Optional 389 Tri-power had 348 Horsepower
Assuming you are inquiring about a 2004 + GTO ... you can add between 120 and 400+ horse power. It really just depends on you needs (and wants!) and how much you are willing to spend.
it depends on the year model and the engine size,for example the 64 gto tri power 389 cu. inch had 348 horsepower. the 69 ram air 400 gto had 365 horsepower with the right heads and carb combination. The '04 models are rated at 350 hp, and the '05-'06 models at 400 hp.
NO
NO.
The automatic transmission in the 2005-2006 GTO was the Hydramatic 4L65E, as opposed to the 2004 GTO with the Hydramatic 4L60E. The manual transmission was for the 2004-2006 GTO was the Tremec T-56 with M12 gearset.
It's on the bottom of the oil pan.