Dunlop Grandtrek PT2A 285/50R20 112V - 57000260
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Looking for a 285/50R20 all season tire? The Dunlop Grandtrek PT2A is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 285/50R20 means
In the size 285/50R20, 285 is the section width in millimeters (11.22 in), 50 is the aspect ratio β the sidewall stands 50% as tall as the tire is wide, or 142.5 mm (5.61 in) β R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 31.22 inches, turning roughly 646 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it β not just the width β against your current tire.
The manufacturer lists the overall diameter of this specific tire as 31.38 inches β 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 112 β a maximum load of 2,469 lbs per tire. The speed symbol V corresponds to a maximum sustained speed of 149 mph.
Specifications
| Size | 285/50R20 |
| Tire Type | All Season |
| Service Description | 112V |
| Load Index | 112 |
| Speed Rating | V |
| Load Range | SL |
| Section Width (mm) | 285 |
| Aspect Ratio | 50 |
| Overall Diameter (in) | 31.38 |
| Tread Depth (/32") | 10 |
| Treadwear | 360 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 360AA |
Frequently asked questions
What kind of tire is the Dunlop Grandtrek PT2A?
The Dunlop Grandtrek PT2A in 285/50R20 is a all season tire.
What are the treadwear and warranty ratings on the Dunlop Grandtrek PT2A?
This tire carries a treadwear grade of 360, traction grade A, temperature grade A under UTQG.
What does 112V mean on the Dunlop Grandtrek PT2A?
112V breaks down as load index 112 β rated for 2,469 lbs per tire β with a V speed rating, good for a maximum sustained 149 mph.
Keep shopping
Browse Dunlop tires, see every Dunlop Grandtrek PT2A size, or view all tires at ThreePiece.us.
- BRAND:
- Dunlop
- Model:
- Grandtrek PT2A
- Size:
- 285/50R20
- Aspect Ratio:
- 50
- Load Index:
- 112
- Load Range:
- SL
- Section Width:
- 285
- Service Description:
- 112V
- Speed Index:
- V
- Temperature:
- A
- Tire Rim Diameter:
- 31.38
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 360
- Tread Depth:
- 10
- UQTG:
- 360AA
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