General Motors’ performance flagship for the Pontiac G8 range, the all-new 2009 GXP saloon, will arrive in showrooms in the first half of next year with a 415hp (309kW) version of the Corvette’s LS3 V8 engine nestled under its bonnet.
Peak torque, meanwhile, is rated at 415lb-ft (563Nm) and according to official SAE J1349 dyno charts there’s more than 300lb-ft (406Nm) of twist from as early as 2,000rpm all the way up to redline.
Read Article