I'm driving a 2013 F-150; it's got ~20mpg since I got it in 2014. The 2004 Corvette still gets approx. 30 (mostly highway), although it desperately needs new fu

I'm driving a 2013 F-150; it's got ~20mpg since I got it in 2014. The 2004 Corvette still gets approx. 30 (mostly highway), although it desperately needs new fuel injectors.