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Pirelli
Pirelli P Zero (PZ5) 255/35R21XL 98W - 4523500
Pirelli P Zero (PZ5) 255/35R21XL 98W - 4523500
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The Pirelli P Zero (PZ5) in 255/35R21 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 255/35R21 means
In the size 255/35R21, 255 is the section width in millimeters (10.04 in), 35 is the aspect ratio — the sidewall stands 35% as tall as the tire is wide, or 89.2 mm (3.51 in) — R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 28.03 inches, turning roughly 720 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.
The service description on this tire decodes to a load index of 98 — a maximum load of 1,653 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 255/35R21XL |
| Tire Type | Summer |
| Service Description | 98W |
| Load Index | 98 |
| Speed Rating | W |
| Load Range | Extra Load |
| Section Width (mm) | 255 |
| Aspect Ratio | 35 |
| Overall Diameter (in) | 27.99 |
| Tread Depth (/32") | 10 |
| Treadwear | 300 |
| Traction Grade | AA |
| Temperature Grade | A |
| UTQG | 300AAA |
Frequently asked questions
What does 98W mean on the Pirelli P Zero (PZ5)?
98W breaks down as load index 98 — rated for 1,653 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.
What kind of tire is the Pirelli P Zero (PZ5)?
The Pirelli P Zero (PZ5) in 255/35R21 is a summer tire.
What are the treadwear and warranty ratings on the Pirelli P Zero (PZ5)?
This tire carries a treadwear grade of 300, traction grade AA, temperature grade A under UTQG.
Keep shopping
Shop all 255/35R21 tires, browse Pirelli tires, see every Pirelli P Zero (PZ5) size, or view all tires at ThreePiece.us.
- BRAND:
- Pirelli
- Model:
- P Zero (PZ5)
- Size:
- 255/35R21XL
- Aspect Ratio:
- 35
- Load Index:
- 98
- Load Range:
- Extra Load
- Section Width:
- 255
- Service Description:
- 98W
- Speed Index:
- W
- Temperature:
- A
- Tire Rim Diameter:
- 27.99
- Tire Type:
- Summer
- Traction:
- AA
- Tread Wear:
- 300
- Tread Depth:
- 10
- UQTG:
- 300AAA
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