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Which tyre should I choose?

  • Pirelli P-Zero (PZ4) - 255/40R21 102Y XL (RO1) PNCS

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  • Dunlop Sport Maxx GT - 255/40 R21 102Y XL (RO1) MFS

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  • Uniroyal RainSport 5 - 255/40 R21 102Y XL

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  • Michelin Pilot Sport 4 SUV - 255/40 R21 102Y XL

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  • Continental Conti Sport Contact 6 - 255/40 R21 102Y XL (RO1)

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  • Goodyear Eagle F1 Asymmetric 3 SUV - 255/40 R21 102Y

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Discussion Starter · #1 · (Edited)
I'm on the hunt for new tyres currently as I had a blowout on Monday on the inside sidewall of the font offside tyre by clipping the edge casing of a cats eye!! So I'm looking at all options in my 255/40 R21 tyre size range. I will need two new tyres now for the front axle as per the user manual - "Do not replace tires individually. At least replace both tires on the same axle at the same time." 😐

Tyre history of my SQ5:
  • Set 1 (factory) - Pirelli P Zero - 255/40 R21 102Y XL (RO1) - 41,000 miles (UTQC treadwear 300, traction AA, temp A)
  • Set 2 - Dunlop Sport Maxx GT -255/40 R21 102Y XL (RO1) MFS - 34,307 miles (UTQC treadwear 240, traction AA , temp A)
  • Set 3 - Dunlop Sport Maxx GT -255/40 R21 102Y XL (RO1) MFS - 7,447 miles so far :confused: (UTQC treadwear 240, traction AA , temp A)
Total mileage so far 82754.

R01 - These markings stand for a special Audi specification, amongst others for Audi Quattro and R8, RS4, RS5, RS6. These tyres have been developed according to certain specifications and requirements of the car manufacturer. Also R01 is a compound of tyre that is "matched" to the car, it is also a narrower shoulder so does not foul on the arches or running gear of the car.

Pirelli P-Zero PZ4 - I have lost a bit of confidence in the Dunlop Sport Maxx GT, following this incident and think the side wall might not be stiff enough for my liking. So I'm considering going back to Pirelli P-Zero (R01) which I believe is a bit stiffer, but see that there is also a new Pirelli P-Zero PZ4 (255/40R21 102Y XL | RO1 | PNCS) this seems to be a better tyre than the old P-Zero, but I 'm concerned about the longevity of this tyre and whether is has a stiffer / softer side wall compared to the old P-Zero?

Treadwear - The old P-Zero has a treadwear (UTQG) rating of 300, and the new P-Zero PZ4 only has a rating of 220! :oops: For reference the Dunlop Sport Maxx GT has a rating of 240. For further reference the Pirelli Scorpion Zero All Season tyre has a rating of 500, but restricted with a speed rating of 102V (V = 149mph) :sneaky:

PZ4 experience? - So does anyone have any experience of the new Pirelli P-Zero PZ4 tyre? What is the cornering / stiffness like? I'm thinking it might not last very long. Any suggestions on what tyre I should get next? Another issue is reports of the PNCS foam material coming loose and causing a violent vibration!

I have also considered / looked at the following tyres:
  • Uniroyal RainSport 5 - 255/40 R21 102Y XL - Good in the wet, but comes at the expense of performance in the dry where the tyre has lower levels of grip and a heavy understeer handling balance.
  • Michelin Pilot Sport 4 SUV - 255/40 R21 102Y XL - these seem to wear out too soon?
  • Continental Conti Sport Contact 6 - 255/40 R21 102Y XL (RO1) - also appear to wear out too soon?
  • Goodyear Eagle F1 Asymmetric 3 SUV - 255/40 R21 102Y - appear to last, but otherwise dont know much about this tyre.
  • Avon - they don't do my 21" tyre size before you suggest missile :p
 
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Audi SQ5 2015
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2,219 Posts
Discussion Starter · #2 · (Edited)
Well I have ordered the OEM factory tyres - Pirelli P Zero - 255/40 R21 102Y XL (RO1). I have lost a bit of confidence in the Dunlops currently, and the reports of Pirelli P-Zero PZ4's noise reducing foam coming off doesnt inspire confidence especially when I manage to do more miles out of a set of tyres than most. I will probably keep the non-punctured font axle Dunlop as a spare and the punctured will become a tree swing for the kids outback :cool: The rear axle Dunlop tyres will probably be replaced with the same P-Zero's when its time even though I'm not keen on different tyre types front to back until then.
 
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