The 2006 Pontiac Vibe is available as a 4-door, 5-seat hatchback. Starting at $16,430, the 2006 Pontiac Vibe Base FWD is powered by a 1.8L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 30-mpg in the city and 36-mpg on the highway. The top of the line 2006PontiacVibeGT FWD , priced at $ 20,105 , is powered by a 1.8L , 4 - cylinder engine mated to a manual transmission that returns an EPA estimated 25-mpg in the city and 32-mpg on the highway.