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YOUR RESEARCHSecond opinion on '99 boxster at auction - 986 Forum - The Community for Porsche Boxster & Cayman Owners
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Clean on the underside
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Suggestion · Original poster
Fully running and driving, clean on the underside.
Second opinion on '99 boxster at auction - 986 Forum - The Community for Porsche Boxster & Cayman Owners
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Leading evidence: 'Clean on the underside' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean on the underside' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion · Original poster
I've seen what heads look like when prolonged oil changes happen, they get coated with brown film.
Second opinion on '99 boxster at auction - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Replace oil
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Unsuccessful attempts
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion · Original poster
Last thing I want is a Porsche that's gone 20k+ miles without changing oil.
Second opinion on '99 boxster at auction - 986 Forum - The Community for Porsche Boxster & Cayman Owners
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9 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
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Generation: 20261026T150451Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
A 1999 Boxster base 2.5l with 130k miles has popped up at my local auction (surplus style auction, not copart). It's a bit rough, curbbed rims, over due rotors, light scuffs on the front and rear bumpers, needs interior detail... That sorta stuff. Fully running and driving, clean on the underside.
My main concerns is that it hasn't been maintained well, haven't bought a Carfax so no idea what the records are. First sign is the rotors are very worn, pretty decent lip on the rear, pads are fine though. And second sign is that the dipstick had a dark residue (almost like a single layer of black paint, see picture). I know Porsche recommends 12k mile oil changes, but I'm not sure if this tarnish is normal for a 130k mile engine. Final worry is that there was a slight rattle on startup that went away almost immediately, didn't rattle the second time after I let it sit for 10 minutes. I heard this was normal and assumed it had just been sitting for a couple weeks.
What are your thoughts about this, also what would be a decent price? I know this is kind of a general question for any car, but I wanted to ask 986 owners themselves.
For comparison, I picked up my 2000 986 base a year ago for $5000. It had 155K miles on the clock, but it's in great condition inside and out and had been meticulously maintained, with a folder full of receipts to prove it. I think I'm in it right.
What does your dipstick look like though? I have no way of getting records other than buying a Carfax, which will only show shop records. My primary vehicle has a fully metal dipstick so I'm trying to figure out if the film is normal for plastic dipsticks. Last thing I want is a Porsche that's gone 20k+ miles without changing oil. I've seen what heads look like when prolonged oil changes happen, they get coated with brown film.
Wish I could give you a prompt answer, but it's 11 degrees outside and snowing, and my 986 is under a car cover. As soon as weather permits, I'll post a photo of its dipstick. As I recall, though, it didn't look like the one you posted.
You can probably pick it up for less than $2K. At that price it will allow you to freshen it up and/or punt it down the road depending on what you find.
The bid ended up going to 5k and sold. I didn't buy it. Too many red flags maintenance wise. When I tell you those brakes were bad, holy crap man, the rotors had never been turned or replaced. And yeah like you said, 2k would have been worth it.
