The G6 GXP might be the most underrated sleeper of the 2000s. While everyone was chasing Civics and WRXs, Pontiac quietly stuffed a 252hp 3.9L V6 into what looks like your mom's rental car. Same engine as the Impala SS, but nobody expects it from a G6. → Factory sleeper potential - literally invisible to cops → Common issues to watch for before buying → Why it's perfect for budget builds → What to inspect when shopping Save this if you're hunting for an affordable platform that flies completely under the radar. #ThreePieceUS #PontiacG6 #G6GXP #SleeperCar #UnderratedGM #BudgetBuild #SleepersOfInstagram #GM3900 #PontiacPerformance #CarBuyingGuide