When I started this thread, I meant to say the youngest OWNER (which i still think is me 17 turning 18 in june)...
However I think you guys are super
cool 
!!! for letting your friends and family drive your car (i don't think the passenger seat in my Crossfire has been sat on more than 3 times LOL). When i was learning how to drive at 14-15 i was privileged to drive the family hoopty LOL, you guys are lucky.