The turbocharged 2.7-liter four-cylinder engine is about half the size of its big brother — GM's stalwart 5.3-liter V8 — but it can cover much of the same ground. With increased torque for ...

And while exact fuel economy numbers have yet to be released, Chevy says the turbo engine ... come with the fancy 5.3-liter V8 standard with options in the form of the 6.2-liter V8 and turbodiesel.