If you subscribe to the philosophy of dreaming big, then add this one to your automotive wish list: owning a custom-built Mercedes-Benz Sprinter van to travel through and to sleep in, all 50 states.

That means the little turbodiesel makes the least horsepower, but a smidge more twist than the gas engine—perfect ... Sprinter's 140- and 170-inch wheelbases, as well as low- and high-roof body ...