40K is old, right?

My poor truck hit the big 40 today. Fortunately, it happened at a stop light and not when I'm driving on my favorite slalom course I call IH-35. While I am mildly itching to get a new car, I do not know what to get. Sure, I'd love to get a Corvette Z-06. But I can't justify spending 70K for a new 'vette. I would also like to get a second hand, high miles per gallon car. But I want at least 40+ mpg. And I don't want to pay the new car smell tax. Maybe a Volkswagen TDI diesel? The Honda Insight is cute. And I see a lot of them around. But I doubt that I would comfortably fit my body in one of those things.