Ram already boasts best-in-class fuel economy of 25 mpg on the highway with its new gasoline-powered 2013 Ram 1500.

FORBES: Forces Of Diesel Pick Up Major New Ally in Ram 1500 Version

On a sweltering afternoon in March, Eoin Slavin, an executive at Rio-based development firm Landis, wandered the mostly forgotten working-class neighborhoods in the shadow of the elevated highway searching for prospects.

WSJ: Rio Hopes for an Olympic-Style Revival

Know that it's also the largest car by far, with the most shoulder, backseat and overall cabin capacity, making it darned near the best highway cruiser this side of an S-Class (and for a good 20 grand less).

FORBES: Size XL