The Chevrolet TrailBlazer car is a mid-size SUV produced by the Chevrolet division of American automaker General Motors. The Chevrolet TrailBlazer car won the North American Truck of the Year award in 2002. The 4.2L I6 Atlas LL8 won Ward's Best Engine from 2002-2004 with innovative features such as DOHC, Variable Valve Timing (VVT) on the exhaust camshaft, and GM's Patented "Lost-Foam" casting process.
The TrailBlazer chevrolet car comes with a 291 hp (217 kW)/277 ft·lbf all-aluminum 4.2 L "Atlas" LL8 inline-six engine standard and an optional 302 hp (225 kW)/330 ft·lbf aluminum small-block 5.3 L V8 with Active Fuel Management. The inline-six makes the TrailBlazer the most powerful six-cylinder SUV in its class.
Source: Wikipedia