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      03-09-2018, 06:08 AM   #1
elvism
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Bridgestone Potenza SO-4 Pole vs Michelin Pilot Sport 4S ? Who's made the switch?

I currently have the Bridgestone Potenza SO-4 Pole Position that currently have about 12K on them. No tracking. Inside trend is wearing out so I'm due for a new set of tires. Anyone here make the which to the Michelin Pilot Sport 4S from Bridgestone SO-4? Notice any difference in performance handling,driving in the rain,road noise,wear etc? Worth the extra $220 for the 4S?
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      03-09-2018, 07:00 PM   #2
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Curious as well. In for any feedback.
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      03-09-2018, 08:45 PM   #3
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Quote:
Originally Posted by elvism View Post
I currently have the Bridgestone Potenza SO-4 Pole Position that currently have about 12K on them. No tracking. Inside trend is wearing out so I'm due for a new set of tires. Anyone here make the which to the Michelin Pilot Sport 4S from Bridgestone SO-4? Notice any difference in performance handling,driving in the rain,road noise,wear etc? Worth the extra $220 for the 4S?

The PS4S is pretty much the new benchmark in the segment. The PSS was already better than the S04 in most respects, so the PS4S is going to be further ahead still.

The S04 is an old design at this point, hence the cheaper price. Another alternative might be the new Continental ExtremeContact Sport. It's the successor to the excellent ExtremeContact DW and is pretty damn close to the PS4S in performance for much less money.


From Tire Rack's latest test:

The Michelin Pilot Sport 4S performs all the tasks expected of a Max Performance Summer tire at a very high level. From its athletic and composed nature on the road, to its best-in-test dry track figures, to its easily accessible performance in the wet, the Pilot Sport 4S really is the complete package. Continental's ExtremeContact Sport presents a compelling option, as well. Its behavior on the road is eager and lively, if not quite as refined as the other two tires. Objective wet cornering and stopping figures for the Continental are top-notch, but with a relatively narrow window that makes it a little harder to wring out every last drop of performance on the track.
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Last edited by dparm; 03-09-2018 at 08:52 PM.
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      03-10-2018, 02:50 PM   #4
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The reality is that on the street there will be an imperceptible difference between the two in terms of performance so you not notice a difference. If you are tracking and measure lap times you might see a difference. You are almost guaranteed to notice a difference between old tires and new tires, regardless of the tire, which end up impacting people's reviews of tires. They get new tires and then rave about how great they are but not really taking into consideration they replaced old worn out tires that had lost a lot of performance with brand new tires. I had the PSS, but I never like how they looked since I thought the profile of the 275/35 in the rear looked like truck tire or something so I switched to the S04 and have been happy.
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      03-11-2018, 02:40 PM   #5
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The issue for track use, you shouldn't be using either the Mich PSS 4S or any other DD tire for the track unless you love to tear up new tires.

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      03-11-2018, 03:30 PM   #6
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Quote:
Originally Posted by Dave07997S View Post
The issue for track use, you shouldn't be using either the Mich PSS 4S or any other DD tire for the track unless you love to tear up new tires.

Dave
I think 4S is great track tires for beginners
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      03-13-2018, 02:21 PM   #7
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I'd pay $220 more for PS4S.. It will get better gas mileage and last longer so on the long run, it might be more cost effective.
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      03-13-2018, 02:36 PM   #8
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Quote:
Originally Posted by TrAcK TRaP View Post
I think 4S is great track tires for beginners
I'd say very beginner it is ok. You'll tear through the tires way faster than a more dedicated street or track tire.

If you're just looking for a few laughs and go a few laps, they're ok. They do overheat quickly and you'll find yourself not having a good time.

I destroyed a set of PSS in 2 track days before - I learned my lesson. My AD08R tires last 5-6 track days and handle heat much better.

PSS/PS4S are great tires for street use though. S04 are pretty old by today's standards. Go look at the Pirelli PZ4, and Continental ExtremeContact Sport. All of these are direct competitors to the PS4S and cost less.
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      03-13-2018, 02:40 PM   #9
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Quote:
Originally Posted by Z K View Post
I'd say very beginner it is ok. You'll tear through the tires way faster than a more dedicated street or track tire.

If you're just looking for a few laughs and go a few laps, they're ok. They do overheat quickly and you'll find yourself not having a good time.

I destroyed a set of PSS in 2 track days before - I learned my lesson. My AD08R tires last 5-6 track days and handle heat much better.

PSS/PS4S are great tires for street use though.


Agreed that the PSS/PS4S can't survive long on track. Mine overheated pretty quickly after one or two sessions, whereas my AD08R happily ran along for many events.

The nice thing about the PSS/PS4S, especially for street use, is that they're fairly forgiving and predictable.
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      03-13-2018, 02:50 PM   #10
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Quote:
Originally Posted by Z K View Post
I'd say very beginner it is ok. You'll tear through the tires way faster than a more dedicated street or track tire.

If you're just looking for a few laughs and go a few laps, they're ok. They do overheat quickly and you'll find yourself not having a good time.

I destroyed a set of PSS in 2 track days before - I learned my lesson. My AD08R tires last 5-6 track days and handle heat much better.

PSS/PS4S are great tires for street use though. S04 are pretty old by today's standards. Go look at the Pirelli PZ4, and Continental ExtremeContact Sport. All of these are direct competitors to the PS4S and cost less.
True..
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      03-17-2018, 11:47 PM   #11
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B-stone are pretty darn quit and comfort ride on the street n highway. it grips really well in the rains too.
My conclusion? The S-04 is great alternative to PSS if you are willing to give up a little in terms of ultimate handling and grip for a bit softer ride and lower price point. The S04 are no brainer. I have 13K on the rear still remain 6/32. (maybe i drive like a grandpa).
PS4S is an incredible tire. The outgoing PSS was already better than the S04 in most respects. I ran them all 3.
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      03-18-2018, 01:46 AM   #12
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I recently put on a set of Kumho Ecsta PS91 on my M3 and I am extremely happy with them. They are quiet, and I can't tell any difference between them and the potenza S04 they replaced. Highly recommend.
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      03-18-2018, 01:50 AM   #13
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I'm running S04s cause I tore through two sidewalls on my PSS. The S04 sidewalls seem to hold up against stupid potholes a bit better. Never track my car though. Feel like the S04s are more quiet though.
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      03-18-2018, 02:18 AM   #14
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S04ís are terrible on the track. When I did my first track day in the M I was shocked at the terrible traction they provided (I am a seasoned track driver - Iím just talking about the first time I took this car on track and used the tires it came with). Lowering air pressure helped, but I got rid of them soon after. Been on RE71R ever since for both street and track.
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      03-18-2018, 02:28 PM   #15
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Why is everyone talking about track usage? OP said he doesn't track his car.
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      03-18-2018, 08:10 PM   #16
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Quote:
Originally Posted by dparm View Post
Why is everyone talking about track usage? OP said he doesn't track his car.
Track exploits the maximum potential from the tire. If all you do is putter around, never driving spiritedly, then pretty much any tire will do, and an all season would be best. The op specifically asked about two max performance summer tires (and if you read the manufacturers descriptions they go on about how it was developed using research from racing, lemans, etc), so Iím assuming spirited dry usage. I use the track ability to figure out the spirited street drive experience. Tarmac is tarmac - itís not like the track is made of some exotic material

To put my comment in context - I drive 90% street, 10% track in the M3..

Thanks!

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      03-24-2018, 02:00 AM   #17
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Quote:
Originally Posted by romemmy View Post
Track exploits the maximum potential from the tire. If all you do is putter around, never driving spiritedly, then pretty much any tire will do, and an all season would be best. The op specifically asked about two max performance summer tires (and if you read the manufacturers descriptions they go on about how it was developed using research from racing, lemans, etc), so Iím assuming spirited dry usage. I use the track ability to figure out the spirited street drive experience. Tarmac is tarmac - itís not like the track is made of some exotic material

To put my comment in context - I drive 90% street, 10% track in the M3..

Thanks!

S.
If this is true, very impressive and I envy you! 1 mile out of every 10 spent on the track!!?
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      03-24-2018, 12:38 PM   #18
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Quote:
Originally Posted by ksteckba View Post
If this is true, very impressive and I envy you! 1 mile out of every 10 spent on the track!!?
Well... 2 mile lap, typical day is 5 sessions, so maybe 50 laps per day conservatively, working out to 100 miles per day. I might do 5 days a year in the M3, 500 miles of track driving. I put probably 5000 miles of street driving on that car, so yep, approximately 10% on the track

I have 5 cars right now, so thatís why I donít have huge street miles on any one car...

Thanks!

S.
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