Westlake WESTLAKE SL309 215/85R16/10
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Westlake
SKU:
22860014
$ 804.00 set | $201.00 each
Ships from a tire warehouse near you · most orders arrive next day
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Free Mount & Balance with Bolt-On Kit
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IN STOCK (51 tires)
- Width:
- 16.00 (in)
- Height:
- 8.46 (in)
- Depth:
- 16.00 (in)
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Westlake WESTLAKE SL309 215/85R16/10
$201.00
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Out of stock
The Westlake SL309 in 215/85R16 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 215/85R16 means
In the size 215/85R16, 215 is the section width in millimeters (8.46 in), 85 is the aspect ratio — the sidewall stands 85% as tall as the tire is wide, or 182.8 mm (7.19 in) — R denotes radial construction, and 16 is the wheel diameter in inches. That works out to an overall diameter of about 30.39 inches, turning roughly 664 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 16 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 115 — a maximum load of 2,679 lbs per tire, or 112 (2,469 lbs) per tire when mounted as duals. The speed symbol Q corresponds to a maximum sustained speed of 99 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 215/85R16/10 |
| Tire Type | High-Performance |
| Service Description | 115/112Q |
| Load Index | 115/112 |
| Speed Rating | Q |
| Load Range | E/10 |
| Section Width (mm) | 215 |
| Aspect Ratio | 85 |
| Overall Diameter (in) | 16 |
| Tread Depth (/32") | 11 |
| Warranty | 40K |
Frequently asked questions
What does 115/112Q mean on the Westlake SL309?
115/112Q breaks down as load index 115 — rated for 2,679 lbs per tire (112, or 2,469 lbs, in dual fitment) — with a Q speed rating, good for a maximum sustained 99 mph.
What kind of tire is the Westlake SL309?
The Westlake SL309 in 215/85R16 is a high-performance tire.
What warranty does the Westlake SL309 carry?
The manufacturer's warranty on this tire is 40K.
Keep shopping
Shop all 215/85R16 tires, see every Westlake SL309 size, or view all tires at ThreePiece.us.
- BRAND:
- Westlake
- Model:
- WESTLAKE SL309
- Size:
- 215/85R16/10
- Aspect Ratio:
- 85
- Load Index:
- 115/112
- Load Range:
- E/10
- Section Width:
- 215
- Service Description:
- 115/112Q
- Speed Index:
- Q
- Temperature:
- N/A
- Tire Rim Diameter:
- 16
- Tire Type:
- High-Performance
- Traction:
- N/A
- Tread Wear:
- N/A
- Tread Depth:
- 11
- UQTG:
- N/A
- Warranty:
- 40K
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