The G8 GT model came with the Corvette C6's LS2 engine that had previously found a home in the 2005-2006 Pontiac GTO. Rated at 361 horsepower, the GT's engine was mated to a six-speed automatic.

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 incredibly reliable 428 was offered from 1967 to 1969 and was only in the Pontiac Firebird and GTO, but it did find its way into NASCAR vehicles. Like the other LS engines, the LS9 is known ...

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 ...