I'm 67 now and 5 years ago we bought a new-to-us 2002 DP that we thought should last us at least the next 10 years of wintering in Mexico. The next 5 seems like it should be fine. Another 10? Who known. Both my father and grandfather quit driving (voluntarily) at 81. Hope to do at least that well. A dear old friend of mine sold his camper van and quit driving just after passing his medical and drivers test at 96. He lived 8 more good years. That's my target. But I won't push it.