How much oil does a 2004 chevy trailblazer take?

The 2004Chevrolet TrailBlazer uses SAE 5w-30 fully synthetic motor oil in its engine. This vehicle has an oil capacity of 7 quarts in the 4.2 liter, inline-6 motor. You will need at least 6 one-quart bottles for a complete oil change. You will likely pay between $3.23 and $14.32 per quart. It can be purchased at any major retail store, from any automotive retail locations, and online from trusted sellers. To change the oil, first make sure to drain the older oil from the nozzle found at the bottom of the reservoir. Next, remove the cap on the top. Carefully pour the new oil into the reservoir, and return the cap.