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Gt Radial
GT Radial Champiro UHPAS 245/45ZR18 96Y - AS038
GT Radial Champiro UHPAS 245/45ZR18 96Y - AS038
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The GT Radial Champiro UHPAS 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 96 — a maximum load of 1,565 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 245/45ZR18 |
| Tire Type | All Season |
| Service Description | 96Y |
| Load Index | 96 |
| Speed Rating | Y |
| Load Range | SL |
| Section Width (mm) | 245 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 26.7 |
| Tread Depth (/32") | 10 |
| Treadwear | 500 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 500AA |
| Warranty | 45K |
Frequently asked questions
What does 96Y mean on the GT Radial Champiro UHPAS?
96Y breaks down as load index 96 — rated for 1,565 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
What kind of tire is the GT Radial Champiro UHPAS?
The GT Radial Champiro UHPAS in 245/45R18 is a all season tire.
What are the treadwear and warranty ratings on the GT Radial Champiro UHPAS?
This tire carries a treadwear grade of 500, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 45K.
Keep shopping
Shop all 245/45R18 tires, browse GT Radial tires, see every GT Radial Champiro UHPAS size, or view all tires at ThreePiece.us.
- BRAND:
- GT Radial
- Model:
- Champiro UHPAS
- Size:
- 245/45ZR18
- Aspect Ratio:
- 45
- Load Index:
- 96
- Load Range:
- SL
- Section Width:
- 245
- Service Description:
- 96Y
- Speed Index:
- Y
- Temperature:
- A
- Tire Rim Diameter:
- 26.7
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 500
- Tread Depth:
- 10
- UQTG:
- 500AA
- Warranty:
- 45K
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