Arroyo Grand Sport AS 215/40ZR18
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Arroyo
SKU:
AGS036
$ 396.00 set | $99.00 each
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OUT OF STOCK 
- Width:
- 18.00 (in)
- Height:
- 8.46 (in)
- Depth:
- 18.00 (in)
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The Arroyo Grand Sport AS in 215/40R18 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 215/40R18 means
In the size 215/40R18, 215 is the section width in millimeters (8.46 in), 40 is the aspect ratio — the sidewall stands 40% as tall as the tire is wide, or 86.0 mm (3.39 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 24.77 inches, turning roughly 814 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 89 — a maximum load of 1,279 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.
Specifications
| Size | 215/40ZR18 |
| Tire Type | Passenger |
| Service Description | 89W |
| Load Index | 89 |
| Speed Rating | W |
| Load Range | XL |
| Section Width (mm) | 215 |
| Aspect Ratio | 40 |
| Overall Diameter (in) | 18 |
| Treadwear | 500 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 500 A A |
Frequently asked questions
What does 89W mean on the Arroyo Grand Sport AS?
89W breaks down as load index 89 — rated for 1,279 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.
What kind of tire is the Arroyo Grand Sport AS?
The Arroyo Grand Sport AS in 215/40R18 is a passenger tire.
What are the treadwear and warranty ratings on the Arroyo Grand Sport AS?
This tire carries a treadwear grade of 500, traction grade A, temperature grade A under UTQG.
Keep shopping
See every Arroyo Grand Sport AS size, or view all tires at ThreePiece.us.
- BRAND:
- Arroyo
- Model:
- Grand Sport AS
- Size:
- 215/40ZR18
- Aspect Ratio:
- 40
- Load Index:
- 89
- Load Range:
- XL
- Section Width:
- 215
- Service Description:
- 89W
- Speed Index:
- W
- Temperature:
- A
- Tire Rim Diameter:
- 18
- Tire Type:
- Passenger
- Traction:
- A
- Tread Wear:
- 500
- Max Load (LB):
- 1279
- UQTG:
- 500 A A
- Side Wall:
- BSW
- Warranty:
- N/A
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