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Nexen
Nexen Roadian GTX 255/45R20 101W - 17001NXK
Nexen Roadian GTX 255/45R20 101W - 17001NXK
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Looking for a 255/45R20 all season tire? The Nexen Roadian GTX is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 255/45R20 means
In the size 255/45R20, 255 is the section width in millimeters (10.04 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 114.8 mm (4.52 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 29.04 inches, turning roughly 695 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 101 — a maximum load of 1,819 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.
Load Range B corresponds to a 4-ply rating.
Specifications
| Size | 255/45R20 |
| Tire Type | All Season |
| Service Description | 101W |
| Load Index | 101 |
| Speed Rating | W |
| Load Range | B |
| Section Width (mm) | 255 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 29.1 |
| Tread Depth (/32") | 9.5 |
| Treadwear | 300 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 300AA |
Frequently asked questions
What kind of tire is the Nexen Roadian GTX?
The Nexen Roadian GTX in 255/45R20 is a all season tire.
What are the treadwear and warranty ratings on the Nexen Roadian GTX?
This tire carries a treadwear grade of 300, traction grade A, temperature grade A under UTQG.
What does 101W mean on the Nexen Roadian GTX?
101W breaks down as load index 101 — rated for 1,819 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.
Keep shopping
Shop all 255/45R20 tires, browse Nexen tires, see every Nexen Roadian GTX size, or view all tires at ThreePiece.us.
- BRAND:
- Nexen
- Model:
- Roadian GTX
- Size:
- 255/45R20
- Aspect Ratio:
- 45
- Load Index:
- 101
- Load Range:
- B
- Section Width:
- 255
- Service Description:
- 101W
- Speed Index:
- W
- Temperature:
- A
- Tire Rim Diameter:
- 29.1
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 300
- Tread Depth:
- 9.5
- UQTG:
- 300AA
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