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Gt Radial
GT Radial Maxtour LX 225/55R18 98V - 100UA3512
GT Radial Maxtour LX 225/55R18 98V - 100UA3512
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Looking for a 225/55R18 all season tire? The GT Radial Maxtour LX is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 225/55R18 means
In the size 225/55R18, 225 is the section width in millimeters (8.86 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 123.8 mm (4.87 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 27.74 inches, turning roughly 727 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 25.9 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 98 — a maximum load of 1,653 lbs per tire. The speed symbol V corresponds to a maximum sustained speed of 149 mph.
Specifications
| Size | 225/55R18 |
| Tire Type | All Season |
| Service Description | 98V |
| Load Index | 98 |
| Speed Rating | V |
| Load Range | SL |
| Section Width (mm) | 225 |
| Aspect Ratio | 55 |
| Overall Diameter (in) | 25.9 |
| Tread Depth (/32") | 9.8 |
| Treadwear | 600 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 600AA |
| Warranty | 70K |
Frequently asked questions
What kind of tire is the GT Radial Maxtour LX?
The GT Radial Maxtour LX in 225/55R18 is a all season tire.
What are the treadwear and warranty ratings on the GT Radial Maxtour LX?
This tire carries a treadwear grade of 600, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 70K.
What does 98V mean on the GT Radial Maxtour LX?
98V breaks down as load index 98 — rated for 1,653 lbs per tire — with a V speed rating, good for a maximum sustained 149 mph.
Keep shopping
Shop all 225/55R18 tires, browse GT Radial tires, see every GT Radial Maxtour LX size, or view all tires at ThreePiece.us.
- BRAND:
- GT Radial
- Model:
- Maxtour LX
- Size:
- 225/55R18
- Aspect Ratio:
- 55
- Load Index:
- 98
- Load Range:
- SL
- Section Width:
- 225
- Service Description:
- 98V
- Speed Index:
- V
- Temperature:
- A
- Tire Rim Diameter:
- 25.9
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 600
- Tread Depth:
- 9.8
- UQTG:
- 600AA
- Warranty:
- 70K
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