The 2005 Chevrolet Uplander Base FWD 1SA has a 3.5 L, 200 hp V6 engine with 4 speed automatic transmission.  Gas mileage comes out to 18 mpg in the city and 24 on the highway.  This trim has 4 doors, seats 7, and offers standard air conditioning, power windows, power door locks, cd player, and ABS brakes.  Options include traction control and power/leather seats.