Pontiac Grand Prix

engine type	Original performance	Performance after tuning	Vmax	More efficient	price
5.3	226 kW (303 hp) 438Nm	246 kW (335 hp) 470Nm	*	32 hp	799
LS4	220 kW (300 hp) 405Nm	244 kW (332 hp) 440Nm	*	32 hp	799