Very cool!
I'm also a Cayman S owner, which is fairly obvious from my avatar and sig
But I've only owned her for 8 months and 12,000 miles (shit I drive too much
) Previous owner had the 60k mile service already done when I bought her (with 56k). Since purchase I've had 1 O2 sensor replaced ($460), 1 catalytic convertor - replaced under warranty ($1200 otherwise), and performed an oil change myself ($80 in parts, dealership wanted $250-300). The front rotors and pads need replacement soon, but that's quite common for any car with 60k+ miles on it. Again, dealership wants $1200 for that work but I can do it myself for around $550 in parts. Furthermore, like chrisl my Cayman needs new spark plugs. I plan to do that myself as well. Doesn't look super complicated, rather just a bit time consuming (lift rear of car, remove both rear wheels, remove fender linings, remove heat shields, etc).
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Current: 2023 GRC Circuit Edition, 2012 C63 AMG P31
Past: (2) 2000 MR2 Spyder, 2017 GTI Sport, 2006 Porsche Cayman S, Supercharged 2013 BRZ-L, 2007 Honda S2000, 1992 Integra GS-R