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.
From the factory it was rated at 400 horsepower.
400 horsepower at the crank at 5200 rpm
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.
400 horsepower and 400 lb/ft of torque.
5 or 10 horse.
335 stock and 360 with the tri power set-up.
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.
Pontiac GTO was created in 1964.
at the crank it produces 400 horsepower at 5200 RPM And 400 lbs/foot of torque at 4000 rpms. The car is a monster.
Depends on the year