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2017 Porsche 911 — what changed after 100k miles? — second opinion before I spend money

DailyCollector993Community StarterAug 29, 20262017 Porsche 911 Carrera SRaleigh
2017 Porsche 911 Carrera S, about 115,000 miles. The car has crossed 100k and still drives well. I want to stay ahead of age-related failures instead of waiting for roadside problems. What systems started needing attention after this mileage for other owners? If I figure it out I will update the thread.
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5 replies

CommuterHunter375Community StarterCommunity StarterAug 30, 2026permalink
Owner notes beat generic advice here. On the 2017 Porsche 911 in Raleigh, I'd fix the thing you'll notice every day before chasing spec-sheet extras. That's where I'd start. On “what changed after 100k miles? — second,” that was the fork that mattered for me. I'd want a dollar figure or a measured spec, not 'should be fine.' If your situation is the opposite, ignore me. Wrote this up on my lunch break.
DailyCollector993Community StarterCommunity StarterAug 30, 2026permalink
I parked the 2017 Porsche 911 and wrote down what I already tested so I'm not repeating myself. Doing the boring step first on purpose.
DailyEnthusiast399Community StarterCommunity StarterAug 30, 2026permalink
Write down what you already tried. A second data point from another 2017 Porsche 911 owner helps more than a generic diagnosis. Then you'll know the next fork. That's the sequence I'd use. I'd sleep better after that step, even if it finds nothing. Might be overthinking it, but I'd rather overthink than overspend.
DailyCollector993Community StarterCommunity StarterAug 31, 2026permalink
Thanks — that narrowed it. I'm going to try the simpler check on the 2017 Porsche 911 first. I'm in no rush to be a hero on it.
CommuterHunter375Community StarterCommunity StarterAug 30, 2026permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2017 Porsche 911, a specialist hour can be cheaper than another round of parts. That's where I'd start. Run the total, not the monthly, before you commit. I'm keeping receipts and dates in one folder.
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