What is the 2005 chevy trailblazer 4.2 l oil capacity?

For the 2005 Chevrolet TrailBlazer with the 4.2 L 6-cylinder engine it has an oil capacity of 7 quarts with a filter. The recommended type that should be used in the vehicle iS5W-30 Synthetic and the torque for the drain plug is 19 ft/lbs. What 5W-30 means is that 5 is the thickness or the viscosity of the oil at startup, w stands for winter and 30 is the thickness or the viscosity at operating speeds. Oil is important because it is used to help keep the engine clean and may extend the lifespan of the vehicle. You should change the oil and the filter every 10,000 miles or so because it doesn't last forever. The cost of an oil change is between $40 to $60 in labor costs.