The 2007 Chevy Suburban's original Vortec 5300 LC9 and its flex-fuel capabilities are still believed to be under the hood, and the automatic transmission is brand-new and is said to be under warranty.

When most people think of a cheap 4x4 SUV, they picture something worn out, unreliable, and destined for the scrapyard before it ever hits 200,000 miles. In the used car world, that's often the gamble ...