In the horsepower department, the Pontiac GTO 6.0 engine doesn't disappoint: it clocks in at 400 horsepower, with 400 lb-ft of torque to boot. With this engine, the '06 GTO has been known to go 0 ...

The 2004-06 Pontiac GTO was a seemingly obvious way to leverage GM's global parts bin to bring some excitement back to the Pontiac brand, two years after the Firebird's demise. This fifth- and ...