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Old 01-27-2021 | 10:25 PM
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Default Tire Advice

New to me first Porsche 2017 991.2 C2S. I live in Vegas and will drive the car daily all year. Currently running P Zeros. I will stick with summer tires all year. Any comments/recommendations appreciated. My last car was a 2018 BMW M2, real fun, but nothing like the thrill of driving the 911. THX
Old 01-27-2021 | 10:30 PM
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Originally Posted by bperreault73
New to me first Porsche 2017 991.2 C2S. I live in Vegas and will drive the car daily all year. Currently running P Zeros. I will stick with summer tires all year. Any comments/recommendations appreciated. My last car was a 2018 BMW M2, real fun, but nothing like the thrill of driving the 911. THX
I'm in Naples Fl and just bought the same model and year. Here for the responses.
Old 01-27-2021 | 10:44 PM
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For comfort, quiet and great wet performance, Michelin pilot sport 4S

For aggressive and dry weather driving only - Michelin super sport or pilot sport cup 2.
Old 01-27-2021 | 10:45 PM
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Michelin PS4's have pretty good reviews. I'm going to put a set on when spring time comes.
Old 01-27-2021 | 11:11 PM
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Being lazy with the search function, how do the PS4's wear compared to the P Zero's?
Old 01-27-2021 | 11:14 PM
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PS4S for summer/rain but not cold weather. Good all-around performer. Perfectly fine for aggressive back road and normal street driving but they will de laminate if you do AX or track. I use them for my street tire.
Old 01-27-2021 | 11:16 PM
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Originally Posted by Vicbastige
I'm in Naples Fl and just bought the same model and year. Here for the responses.
Another South Floridian here too with same vehicle. I’m just here to count how many replies for Michelin PS4S.

But while we’re here, can someone explain to me why when I do the search on Tire Rack it presents several results with what appear to be the exact same model of tire (PS4S) or is there a difference I’m not seeing?

Also, can we clarify whether it’s:
PS4S = Pilot Sport 4 S
PS4s = Pilot Sport 4 (plural)
or some other similar nomenclature.
Old 01-27-2021 | 11:25 PM
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Originally Posted by Tier1Terrier
Another South Floridian here too with same vehicle. I’m just here to count how many replies for Michelin PS4S.

But while we’re here, can someone explain to me why when I do the search on Tire Rack it presents several results with what appear to be the exact same model of tire (PS4S) or is there a difference I’m not seeing?

Also, can we clarify whether it’s:
PS4S = Pilot Sport 4 S
PS4s = Pilot Sport 4 (plural)
or some other similar nomenclature.
Look for the N Spec, which is Porsche specific. Car manufactures work with tire manufactures to make slight modifications on the tires for their car. Whether or not that really makes a difference, I have no idea.

Michelin Pilot Sport 4S. Not plural.
Old 01-27-2021 | 11:42 PM
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+1 for Michelins
-1 for Pirellis - have never had good luck with them.
YMMV...!
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Old 01-27-2021 | 11:53 PM
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Have owned Pirellis before and just got rid of the Pirellis on my Merc SUV due to cracking and belt failure (they had plenty of tread). No more Pirellis for me.

The Merc got Michelin truck tires, they're not as sporty but much more comfort and quiet, it's not a sports car.

The 911 came with PS4S from the factory, they're relatively quiet, the car rides well enough for long trips even with the low profiles (I've taken several). Those are the ones I would get again.

Last edited by BSO; 01-27-2021 at 11:54 PM.
Old 01-28-2021 | 12:05 AM
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Originally Posted by Vicbastige
Being lazy with the search function, how do the PS4's wear compared to the P Zero's?
You have to be vigilant with your tire pressure routine. Debatable, but somewhere around 32 Front and 35/36 Rear is common.
If you are DD the car, you will have to buy approximately one set of new rear tires before you need to replace the front.
The Pzero tires are non directional, so you can swap them from side to side for rotating. The Michelin PS4S are not.
Most people hate the Pzero tires, but the newer ones don't seem to be that bad. I have no complaints.
Longevity is a fantasy question... you will probably damage a sidewall and need to replace 1 or both tires at some point before they actually wear out. Those who do get a full cycle out of a set, usually brag about it because it is rare and unusual.
I got 10,000 miles on one rear tire before it died a tragic death. The other was pretty well worn out, so I replaced both. One of the front is original and still good. The other was new after only 2500 miles(sidewall puncture). If the front tires make it, I will replace them all when the rear tires go in about 10,000 more miles. Most likely with Michelin Pilot Sport 4S as they are a newer design/release for the Porsche. Again, I could be wrong about the Pzero design of the tire, but it seems like Michelin is working more at producing an engineered tire specifically for our 911s.

The Michelin tires, N Spec, come a specific tread for the Porsche, Lamborghini and a few other makes. It is weird, but yes there is a specific tread pattern for the Porsche. You have to be careful when you order them.
I think the Porsche Michelin PS4S tires have a sidewall perimeter rubber curb guard to protect your rims from curb rash. The Pirelli Pzero tires have the curb guard in case you were wondering.

For DD, that is about it. Tire pressure and maybe check for wear to make sure you do not need an alignment. Your inside rear tires will probably wear faster than the outside rears. It is a pain to inspect, but try and look closely every one and a while. Enjoy your ride! You have great country to explore in a Porsche! At least you don't have to invest in winter rims and tires. That is another level of complication and expense you dodged.
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Old 01-28-2021 | 12:07 AM
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My dealer left my 991.2 with 30 front and 33 rear.
Old 01-28-2021 | 12:21 AM
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Default Tire pressure

Isn’t the recommendation about 45 for the rears. That is what I believe sticker in the front door says and the table in the manual says.
Old 01-28-2021 | 12:58 AM
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Originally Posted by Frisco75033
Isn’t the recommendation about 45 for the rears. That is what I believe sticker in the front door says and the table in the manual says.
Does not ride well at those pressures. If you want to go max speed then you'll want those higher pressures.
Old 01-28-2021 | 02:18 AM
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Originally Posted by Wujohn
Does not ride well at those pressures. If you want to go max speed then you'll want those higher pressures.
Not even, if you are going max speed the higher pressures are not good as the pressure will rise as the tires get hot. On track they will get greasy really fast.


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