The 2001 Pontiac Montana is available as a 4-door, 5-seat passenger van. Starting at $24,400, the 2001 Pontiac Montana V16 w/1SV or 1SX 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 2001PontiacMontanaw/1ST Thunder Extended Passenger , priced at $ 35,780 , 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.