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Pirelli
Pirelli PIR PZero All Season 215/55R18XL
Pirelli PIR PZero All Season 215/55R18XL
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The Pirelli PZero All Season in 215/55R18 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 215/55R18 means
In the size 215/55R18, 215 is the section width in millimeters (8.46 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 118.3 mm (4.66 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 27.31 inches, turning roughly 738 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 manufacturer lists the overall diameter of this specific tire as 18 inches — when clearance is tight, go by the published figure rather than the nominal size math.
The service description on this tire decodes to a load index of 99 — a maximum load of 1,709 lbs per tire. The speed symbol V corresponds to a maximum sustained speed of 149 mph.
Specifications
| Size | 215/55R18xL |
| Tire Type | High-Performance |
| Service Description | 99V |
| Load Index | 99 |
| Speed Rating | V |
| Load Range | XL |
| Section Width (mm) | 215 |
| Aspect Ratio | 55 |
| Overall Diameter (in) | 18 |
| Tread Depth (/32") | 9 |
| Treadwear | 500 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 500AA |
Frequently asked questions
What does 99V mean on the Pirelli PZero All Season?
99V breaks down as load index 99 — rated for 1,709 lbs per tire — with a V speed rating, good for a maximum sustained 149 mph.
What kind of tire is the Pirelli PZero All Season?
The Pirelli PZero All Season in 215/55R18 is a high-performance tire.
What are the treadwear and warranty ratings on the Pirelli PZero All Season?
This tire carries a treadwear grade of 500, traction grade A, temperature grade A under UTQG.
Keep shopping
Shop all 215/55R18 tires, see every Pirelli PZero All Season size, or view all tires at ThreePiece.us.
- BRAND:
- Pirelli
- Model:
- PIR PZero All Season
- Size:
- 215/55R18xL
- Aspect Ratio:
- 55
- Load Index:
- 99
- Load Range:
- XL
- Section Width:
- 215
- Service Description:
- 99V
- Speed Index:
- V
- Temperature:
- A
- Tire Rim Diameter:
- 18
- Tire Type:
- High-Performance
- Traction:
- A
- Tread Wear:
- 500
- Tread Depth:
- 9
- UQTG:
- 500AA
- Warranty:
- N/A
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