Thanks for asking, I think I got really lucky with our 3.8 RS. Aside from regular maintenance and tires, I had two warranty items (front axle lift, and driver side seat belt buckle) plus one recall (WC51 replacement of center intake-air distributor). Having said that, I don't track my car. Also, the mostly dry and warm climate here in Southern California is very easy on it.
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If I don't fly, I drive my .:RS :)