TrailBlazer offers standard StabiliTrak Electronic Stability Control System. Standard OnStar with one-year Safe & Sound Plan. Entertainment options include a rear DVD system, XM Satellite Radio and an Integrated Navigation Radio. Available Vortec 5300 V8 engine with Displacement on Demand (DOD) technology. Unsurpassed standard horsepower from the Vortec 4200 I-6 engine. Five-passenger TrailBlazer with up to 80 cu. ft. of cargo volume. And zero to sixty in under six seconds6 with the new 395-horsepower TrailBlazer SS, that features a Corvette-based 6.0 Liter LS2 V8. (edit this text)