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Gt Radial
Gt Radial CHAMPIRO UHP AS 215/45R18
Gt Radial CHAMPIRO UHP AS 215/45R18
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Looking for a 215/45R18 tire? The Gt Radial CHAMPIRO UHP AS is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 215/45R18 means
In the size 215/45R18, 215 is the section width in millimeters (8.46 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 96.8 mm (3.81 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 25.62 inches, turning roughly 787 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 93 — a maximum load of 1,433 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 215/45R18 |
| Service Description | 93Y |
| Load Index | 93 |
| Speed Rating | Y |
| Section Width (mm) | 215 |
| Aspect Ratio | 45 |
| Temperature Grade | ATIRE RIM DIAMETER=18TIRE TYPE=TRACTION=ATREAD WEAR=500TREAD DEPTH=UQTG=500 A AWARRANTY= |
Frequently asked questions
Will 215/45R18 tires fit my vehicle?
Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 215/45R18, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 215/45R18 tire in stock to compare options.
How fast does this tire ship?
Every order at ThreePiece.us ships free, with fast delivery from a nationwide warehouse network. Affirm financing is available at checkout.
What does 93Y mean on the Gt Radial CHAMPIRO UHP AS?
93Y breaks down as load index 93 — rated for 1,433 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
Keep shopping
Shop all 215/45R18 tires, browse Gt Radial tires, see every Gt Radial CHAMPIRO UHP AS size, or view all tires at ThreePiece.us.
- BRAND:
- Gt Radial
- MODEL:
- CHAMPIRO UHP AS
- SIZE:
- 215/45R18
- ASPECT RATIO:
- 45
- LOAD INDEX:
- 93
- SECTION WIDTH:
- 215
- SERVICE DESCRIPTION:
- 93Y
- SPEED INDEX:
- Y
- TEMPERATURE:
- ATIRE RIM DIAMETER=18TIRE TYPE=TRACTION=ATREAD WEAR=500TREAD DEPTH=UQTG=500 A AWARRANTY=
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