The 2002 Pontiac Montana is available as a 4-door, 5-seat passenger van. Starting at $27,055, the 2002 Pontiac Montana w/1SA FWD Extended Passenger is powered by a 3.4L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway. The top of the line 2002PontiacMontanaV16 FWD Passenger , priced at $ 24,515 , is powered by a 3.4L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway.