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Hankook
Hankook Kinergy XP H446 225/50R18XL 99V - 1032044
Hankook Kinergy XP H446 225/50R18XL 99V - 1032044
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The Hankook Kinergy XP H446 in 225/50R18 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 225/50R18 means
In the size 225/50R18, 225 is the section width in millimeters (8.86 in), 50 is the aspect ratio — the sidewall stands 50% as tall as the tire is wide, or 112.5 mm (4.43 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 26.86 inches, turning roughly 751 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 26.7 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.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 225/50R18XL |
| Tire Type | All Season |
| Service Description | 99V |
| Load Index | 99 |
| Speed Rating | V |
| Load Range | Extra Load |
| Section Width (mm) | 225 |
| Aspect Ratio | 50 |
| Overall Diameter (in) | 26.7 |
| Tread Depth (/32") | 10 |
| Treadwear | 720 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 720AA |
| Warranty | 75K |
Frequently asked questions
What does 99V mean on the Hankook Kinergy XP H446?
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 Hankook Kinergy XP H446?
The Hankook Kinergy XP H446 in 225/50R18 is a all season tire.
What are the treadwear and warranty ratings on the Hankook Kinergy XP H446?
This tire carries a treadwear grade of 720, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 75K.
Keep shopping
Shop all 225/50R18 tires, browse Hankook tires, see every Hankook Kinergy XP H446 size, or view all tires at ThreePiece.us.
- BRAND:
- Hankook
- Model:
- Kinergy XP H446
- Size:
- 225/50R18XL
- Aspect Ratio:
- 50
- Load Index:
- 99
- Load Range:
- Extra Load
- Section Width:
- 225
- Service Description:
- 99V
- Speed Index:
- V
- Temperature:
- A
- Tire Rim Diameter:
- 26.7
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 720
- Tread Depth:
- 10
- UQTG:
- 720AA
- Warranty:
- 75K
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