The 2005 and 2006 models packed a 6.0L LS2 V8 engine with tons of grunt. In the horsepower department, the Pontiac GTO 6.0 engine doesn't disappoint: it clocks in at 400 horsepower, with 400 lb-ft ...

the car is set for production and will get a revised version of the standard 6.0-liter V12 engine with no less than 700-hp! It will also get a new name, the 599 GTO, making it the first F-Car to ...

Debuting in 2004, the GTO by Pontiac was an all-new performance automobile that had gained popularity in Australia prior to being released in the U.S. In 2005, a faster 6.0-liter LS2 V8 engine was ...

With a lightweight body and a sub-5-second 0-60 mph time, the 288 GTO was a force to ... the Enzo packed a 6.0-liter V12 ...