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Pirelli
Pirelli PZero Nero GT 245/45ZR18XL 100Y - 2373600
Pirelli PZero Nero GT 245/45ZR18XL 100Y - 2373600
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The Pirelli PZero Nero GT in 245/45R18 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 245/45R18 means
In the size 245/45R18, 245 is the section width in millimeters (9.65 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 110.2 mm (4.34 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 26.68 inches, turning roughly 756 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 100 — a maximum load of 1,764 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 245/45ZR18XL |
| Tire Type | Summer |
| Service Description | 100Y |
| Load Index | 100 |
| Speed Rating | Y |
| Load Range | Extra Load |
| Section Width (mm) | 245 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 26.69 |
| Tread Depth (/32") | 11 |
| Treadwear | 280 |
| Traction Grade | AA |
| Temperature Grade | A |
| UTQG | 280AAA |
Frequently asked questions
What does 100Y mean on the Pirelli PZero Nero GT?
100Y breaks down as load index 100 — rated for 1,764 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
What kind of tire is the Pirelli PZero Nero GT?
The Pirelli PZero Nero GT in 245/45R18 is a summer tire.
What are the treadwear and warranty ratings on the Pirelli PZero Nero GT?
This tire carries a treadwear grade of 280, traction grade AA, temperature grade A under UTQG.
Keep shopping
Shop all 245/45R18 tires, browse Pirelli tires, see every Pirelli PZero Nero GT size, or view all tires at ThreePiece.us.
- Brand:
- Pirelli
- Model:
- PZero Nero GT
- Size:
- 245/45ZR18XL
- Aspect Ratio:
- 45
- Load Index:
- 100
- Load Range:
- Extra Load
- Section Width:
- 245
- Service Description:
- 100Y
- Speed Index:
- Y
- Temperature:
- A
- Tire Rim Diameter:
- 26.69
- Tire Type:
- Summer
- Traction:
- AA
- Tread Wear:
- 280
- Tread Depth:
- 11
- UQTG:
- 280AAA
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