I'm sorry. I waxed obscure, obtuse and obnoxious.

To be on point with your original question, I think driving hard is detrimental to longevity. Yours and your C's.

__________________
David

His:
2003 Dodge Durango SLT
2002 BMW E39 530i Sport
1988 Mercedes 300TE
Hers:
2003 Chevrolet Suburban
1999 E430