The 2005 Chevrolet TrailBlazer LS RWD has a 4.2 L, 275 hp I6 powertrain with 4 speed automatic transmission.  Gas mileage comes out to 16 mpg in the city and 21 on the highway.  This trim has 4 doors, seats 5, and offers standard air conditioning, power windows, power door locks, cd player, and ABS brakes.  Options include sunroof and power/leather seats.  Towing capacity maxes out at 6300 lbs.