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Nexen
Nexen NEX Roadian GTX 255/65R18 111H
Nexen NEX Roadian GTX 255/65R18 111H
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Looking for a 255/65R18 touring tire? The Nexen Roadian GTX is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 255/65R18 means
In the size 255/65R18, 255 is the section width in millimeters (10.04 in), 65 is the aspect ratio — the sidewall stands 65% as tall as the tire is wide, or 165.8 mm (6.53 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 31.05 inches, turning roughly 650 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 18 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 111 — a maximum load of 2,403 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.
Load Range B corresponds to a 4-ply rating.
Specifications
| Size | 255/65R18 |
| Tire Type | Touring |
| Service Description | 111H |
| Load Index | 111 |
| Speed Rating | H |
| Load Range | B (4 Ply) |
| Section Width (mm) | 255 |
| Aspect Ratio | 65 |
| Overall Diameter (in) | 18 |
| Tread Depth (/32") | 9.5 |
| Treadwear | 680 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 680AA |
| Warranty | 70K |
Frequently asked questions
What kind of tire is the Nexen Roadian GTX?
The Nexen Roadian GTX in 255/65R18 is a touring tire.
What are the treadwear and warranty ratings on the Nexen Roadian GTX?
This tire carries a treadwear grade of 680, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 70K.
What does 111H mean on the Nexen Roadian GTX?
111H breaks down as load index 111 — rated for 2,403 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
Keep shopping
Shop all 255/65R18 tires, see every Nexen Roadian GTX size, or view all tires at ThreePiece.us.
- BRAND:
- Nexen
- Model:
- NEX Roadian GTX
- Size:
- 255/65R18
- Aspect Ratio:
- 65
- Load Index:
- 111
- Load Range:
- B (4 Ply)
- Section Width:
- 255
- Service Description:
- 111H
- Speed Index:
- H
- Temperature:
- A
- Tire Rim Diameter:
- 18
- Tire Type:
- Touring
- Traction:
- A
- Tread Wear:
- 680
- Tread Depth:
- 9.5
- UQTG:
- 680AA
- Warranty:
- 70K
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