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Porsche 911 Tires and Wheels

37 messages,  Last post on Aug 15, 2009 at 8:29 AM

You are in the Porsche 911 Forum. Your Host is claires

What is this discussion about? Porsche 911, Tires, Coupe, Convertible


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#3 of 37
Re: tire wear [chile96] by habitat1
Mar 09, 2007 (4:45 am)
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Replying to: chile96 (Mar 08, 2007 7:33 pm)

Appreciate the heads up on the greater inside edge wear, but when I had my car in for a 1 year, 10,500 mile service, the dealer claimed that I had at least 60%+ treadlife left on the rears then. We looked at all of the tires with the car up on the rack. Also, he wasn't saying 60% left until they were dangerously low on tread, but rather where he would replace them for performance. Using my fingers as a guage (highly scientific, I know), the tread depth at 10k+ miles was at least 75% of a brand new car.
 
I haven't taken the car to a track and a fair amount of my mileage is highway, so perhaps I'm just being easier on the tires than the average 911 owner.
 
Also, chromedome - I'll give you credit for self discipline. I find my 911 to be such a "friendly" driver, that it's taken 3/4 of my miles over the last year and my Acura TL 6-speed barely 1/4. My two daughters have logged substantially more miles in the back seat than you have on your car in total.
#4 of 37
Re: tire wear [habitat1] by tagman
Mar 09, 2007 (9:55 am)
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Replying to: habitat1 (Mar 09, 2007 4:45 am)

Also, chromedome - I'll give you credit for self discipline. I find my 911 to be such a "friendly" driver, that it's taken 3/4 of my miles over the last year...
 
When we all make that choice between our different vehicles as to which car we'll drive, it's often hard to turn down the Porsche. As you said, it is "friendly". I'll add "fun" to the mix.
 
For me, when the weather is nasty, I notice that I'm less likely to take the Porsche. But living in California, most days are nice, so the Porsche gets the nod, and quite often the top goes down.
 
And there is definately something to be said for those back seats, cause when the kids are a factor, the 911 still delivers.
 
TagMan
#5 of 37
Re: tire wear [habitat1] by mikejg
Mar 12, 2007 (4:41 am)
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Replying to: habitat1 (Mar 09, 2007 4:45 am)

Guys
 
I am not sure where you drive your Carrera 2s or on what tires, but mine used to do 6k miles on the back and 20k on the front with Continentals. In an attempt to stem the money drain, I have switched to Bridgestones and I might get 10k on the back. I can tell no difference at all on the wet or dry handling or ride. Anybody got any better ideas?
#6 of 37
Re: tire wear [mikejg] by hotrod81
Mar 12, 2007 (3:04 pm)
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Replying to: mikejg (Mar 12, 2007 4:41 am)

My 2006 C2S has pzeros, and with 5000 miles, they hardly look worn at all. Should have a better idea as to how they hold up sometime this summer.
#7 of 37
Re: tire wear [mikejg] by habitat1
Mar 13, 2007 (3:42 am)
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Replying to: mikejg (Mar 12, 2007 4:41 am)

I rechecked my rear tires over the weekend with the highly sophisticated, "stick your fingers in the grooves" method of gauging tread depth. I have the original Pirelli P-Zero's (235/35 front, 295/30 rear) with 12,400 miles.
 
The good news is that I have what appears to be very even tire wear. No difference in depth inside vs outside edges and both rears were the same. However, they are definitely more worn, with shallower tread than the fronts (est. 1/4" for rears, 3/8" for fronts), and my optimism that they would last another 5-7k+ miles may have been premature.
 
When I get a chance in the next few days, I'll take the car to the local dealer - one of the service techs is a "track" guy - and see what he thinks. My guess is new tires will be needed at 15k+/- miles if I don't want to milk them past optimum performance.
 
Obviously, how you drive your car makes a huge difference in tire life. My 12k+ miles have been pretty easy - no track time, a little "enthusiastic" driving, 60% highway miles on fair to good roads.
#8 of 37
Re: tire wear [habitat1] by fedlawman
Mar 13, 2007 (3:23 pm)
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Replying to: habitat1 (Mar 13, 2007 3:42 am)

"My 12k+ miles have been pretty easy - no track time, a little "enthusiastic" driving, 60% highway miles on fair to good roads."
 
Can I have your cab when you're done with it?
#9 of 37
Re: tire wear [fedlawman] by habitat1
Mar 13, 2007 (5:04 pm)
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Replying to: fedlawman (Mar 13, 2007 3:23 pm)

"Can I have your cab when you're done with it?"
 
How about next week?
 
I went to my Porsche dealer today to have the service manager look at the tires and he now claims the rears are ready to be replaced. Pretty odd that, at 10,711 miles (oil change/service) they "look great with lots of tread life left" and now at 12,415 miles they "should be replaced as soon as possible". Sounds fishy, but unfortunately, I think the current assessment may be correct. I'm going to try getting a qualified second opinion from someone that doesn't sell tires. After giving me the bad news on the rears, he did say the fronts "look good with lots of tread life left".
 
In any event, while I was waiting for them to put it up on the rack, I checked out two unsold 911 Turbos they have in stock. GT Silver and Slate Grey, both 6-speeds, with $131,000 to $133,000 stickers. We hit 75 degrees here today, so neither of them looked quite as good as my Cab S with the top down, but they are tempting.
 
If anyone is looking to "trade up", check out Rockville Porsche. The salesman said they weren't discounting them as they were "extra" allocations from Porsche, but that's the same thing they said in August 2005 when I was Cab S shopping. A little sidebar with the Sales Manager reminding him that I bought from another dealer 50 miles away at a $10,000+ discount in September 2005 ought to loosen them up a bit.
#10 of 37
Re: tire wear [habitat1] by fedlawman
Mar 13, 2007 (6:54 pm)
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Replying to: habitat1 (Mar 13, 2007 5:04 pm)

"How about next week?"
 
I was hoping for a little more depreciation. 2 years from next week should work.
#11 of 37
Re: tire wear [fedlawman] by kyfdx HOST
Mar 13, 2007 (6:57 pm)
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Replying to: fedlawman (Mar 13, 2007 6:54 pm)

Hmmm... I saw a '99 911 for $28K the other day...
 
Guess I'll be ready in about six more years... Maybe about the time you are done with it, fedlawman..
#12 of 37
Tire Question by habitat1
Mar 14, 2007 (12:56 pm)
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I have been told by Tire Rack and my Porsche dealer that the OEM Pirelli P-Zero Rosso 19" 295/30 (N rated for Porsche) rear tires for my 911S Cab are completely out of stock and on back order. There is no word from Pirelli as to when they will be available.
 
Replacing just the rear tires with Michelin or another brand is not recommended, unless you replace all four tires. Given that my fronts are only about 50% worn, I don't want to throw them out.
 
Has anyone run into this issue and/or considered replacing the rears with 305/30's (standard on the Carerra S4)? Apparantly they are in stock, albeit in low supply.

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