The tried-and-true gasoline engine has been around for a long time, and it likely will hang around for a long time. In the past half-century alone, automakers have seemingly turned reliability into a science, building million-mile cars with relative ease. With the popularization of electric cars on the rise, however, a new dawn of mileage records and durability might soon be on the horizon. With Tesla being the most popular EV-only brand in the world right now, it's only natural to hear about some high-mileage Teslas popping up out there. But what does one actually look like up close and...