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Nexen
Nexen NEX N5000 Platinum 225/50R18
Nexen NEX N5000 Platinum 225/50R18
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The Nexen N5000 Platinum 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 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 99 — a maximum load of 1,709 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.
Specifications
| Size | 225/50R18 |
| Tire Type | High Performance |
| Service Description | 99W |
| Load Index | 99 |
| Speed Rating | W |
| Load Range | XL |
| Section Width (mm) | 225 |
| Aspect Ratio | 50 |
| Overall Diameter (in) | 18 |
| Tread Depth (/32") | 9.5 |
| Treadwear | 580 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 580AA |
| Warranty | 55K |
Frequently asked questions
What does 99W mean on the Nexen N5000 Platinum?
99W breaks down as load index 99 — rated for 1,709 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.
What kind of tire is the Nexen N5000 Platinum?
The Nexen N5000 Platinum in 225/50R18 is a high performance tire.
What are the treadwear and warranty ratings on the Nexen N5000 Platinum?
This tire carries a treadwear grade of 580, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 55K.
Keep shopping
Shop all 225/50R18 tires, see every Nexen N5000 Platinum size, or view all tires at ThreePiece.us.
- BRAND:
- Nexen
- Model:
- NEX N5000 Platinum
- Size:
- 225/50R18
- Aspect Ratio:
- 50
- Load Index:
- 99
- Load Range:
- XL
- Section Width:
- 225
- Service Description:
- 99W
- Speed Index:
- W
- Temperature:
- A
- Tire Rim Diameter:
- 18
- Tire Type:
- High Performance
- Traction:
- A
- Tread Wear:
- 580
- Tread Depth:
- 9.5
- UQTG:
- 580AA
- Warranty:
- 55K
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