The 2005 Chevrolet TrailBlazer LT 4WD has a 4.2 L, 275 hp I6 powertrain with 4 speed automatic transmission.  Gas mileage comes out to 15 mpg in the city and 20 on the highway.  This trim has 4 doors, seats 5, and offers standard air conditioning, power windows, power door locks, power seats, cd player, and ABS brakes.  Options include sunroof, leather seats, and navigation system.  Max towing capacity comes out to 6100 lbs.