SSTAR

Hey - new to this forum after many years on the air cooled side. Picked up a 2018 Touring and it has become my DD of choice. For those of you racking up street miles, are you switching to a better wet/ cold morning tire like the PS4S or sticking with the Cup2s?

Chris88

I'm sticking with the Cup 2's, as I don't drive mine in the rain and can't imagine compromising the car with a lesser tire (in performance). Don't get me wrong, I have the PS4S on my Audi S6, and think they're great.

BTW, I just purchased a set of Cup 2's (N1 spec) from Costco today for a total cost of $1810, which includes installation. Obviously, they cannot work with center lock wheels, but I will remove them myself and bring them down for mounting. I've checked out their equipment and expertise, and am comfortable with their work. This price includes a special offer from Michelin ($150 credit), that expires on 2/15.

CRex

Super happy with the less grippy tire for street use. Too much grip robs feel. I have the 4S on my 6 and 7, will go to something of a similar caliber when the Dunlops on my 1 are due.

ChrisF

Agree. Had Cup2's on my RS and now have 4S's on my GTS. The RS was a handful in rain/cold. 4S's don't even flinch in same conditions.

ugotgrossed

4S no question for DD.

Mike in CA

I agree that the PS4S are the best choice for a DD. The Cup2's are problematic in the wet, especially as they wear. But FWIW, since I don't drive the car daily, avoid wet weather driving, and still autocross occasionally I recently put a new set of Cup2's on my car.

RockyTopTenn

4S is perfect for street. They are no slouch performance-wise. Ran the TOT Dragon on them two weeks ago when it was 42° outside and the g-meter showed peaks at 1.05 l/r. Not sure how accurate that is, but I never found myself feeling like I was lacking traction. Very confident in the rain too - even at interstate speed in a deluge.

dewilmoth

I'm considering putting PS4 on my street driven .1 RS when the Cups are finished. As someone else mentioned, I think it could actually make the car more fun to drive on the street without sacrificing realized performance.

NSD991

same

itrsteve

First and foremost, if anybody is breaking cohesion limits on a 4s on public roads then they have no business being there, period. Take it to the track and quit being an idiot.

It’s a trip that people are under the impression that the 4s is some sort of a compromised tire. Marketing needs to be scolded for the “4s” label as it’s easy to interpret as “4 season”, instead of being another evolution of the super sports.

I’m betting that the majority of people on here wouldn’t notice the difference between a Cup 2 and 4s on track.

Cup 2’s are the compromised tire. If dry grip is your concern then you get a second set of wheels and throw R-compounds on them. Meanwhile, your wheels with 4s’s on them are perfect as a daily tire and wet tire on track days.

RLNTL3S

I love 4S tires on my 600 horsepower daily (use them till the temps drop to about 40's...and then switch to winters).

Cups gave me a scare a few times that I was caught in bad weather (yet warm weather).

GrantG

The 4S is absolutely a compromised tire for the GT3 - it reduces its performance more than subtly. Even the Cup2 is a compromised tire on the GT3 (but less compromised than 4S), but it's the compromise chosen and developed for the car by the company that makes it.

I have no argument with the idea that someone might want to install 4S or even studded snows on their GT3 for part of the year. But to leave 4S's on 100% of the time is absolutely neutering the car to a degree. One could say that if the 4S is not some sort of compromised tire, then neither is a Carrera a compromise from a GT3, since nobody with any common sense would exceed a Carrera's limits on the street.

itrsteve

Nutering how? Are we going past the point of 4s cohesion on the street (which is very good)? Very very simple question.

Also, you buy a GT3 as a dual duty road driver and track car (some don’t, but that’s their choice). Your second argument is a bit asinine. We’re talking tires here. Tires that the OP said would only be for road use anyway. One tire has a marginal amount of additional grip when conditions are perfect. We’re not talking about buying a whole other car here. Let’s not be silly.

GrantG

Your question assumes that the 4S and Cup2 behave identically up until the point that the 4S loses its grip. I disagree and think there are significant differences in the way they drive based on sidewall stiffness, tread squirm, and the size/shape of the tires. And yes, I have exceeded the grip of the Cups on the street in a relatively safe/controlled manner (though I totally agree that any high speed or high risk shenanigans belong on the track).

Mike in CA

Dry grip and performance IS my concern and it's almost certainly why Porsche chose to provide the Cup 2's as the OEM tire on the GT3. For years I maintained a separate set of tires and wheels for autocross and went through the exercise of swapping things back and forth for every event. I got tired of that.

The Cup2's on the GT3 make for a competitive combination that I can drive to and from an event and for the otherl driving that I do with my car (not a DD, almost never driven in the rain) they are more than satisfactory for the street too. Based on your requirements the PS4S is apparently the obvious choice for you. My requirements are different so I made a different choice. No right or wrong, just different.