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Continental
Continental CON ExtremeContact DWS06 Plus 255/45ZR20XL
Continental CON ExtremeContact DWS06 Plus 255/45ZR20XL
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Looking for a 255/45R20 high performance tire? The Continental ExtremeContact DWS06 Plus 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 105 — a maximum load of 2,039 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 255/45ZR20XL |
| Tire Type | High Performance |
| Service Description | 105Y |
| Load Index | 105 |
| Speed Rating | Y |
| Load Range | XL |
| Section Width (mm) | 255 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 29.04 |
| Tread Depth (/32") | 10 |
| Treadwear | 560 |
| Traction Grade | AA |
| Temperature Grade | A |
| UTQG | 560AAA |
| Warranty | 50K |
Frequently asked questions
What kind of tire is the Continental ExtremeContact DWS06 Plus?
The Continental ExtremeContact DWS06 Plus in 255/45R20 is a high performance tire.
What are the treadwear and warranty ratings on the Continental ExtremeContact DWS06 Plus?
This tire carries a treadwear grade of 560, traction grade AA, temperature grade A under UTQG. The manufacturer's warranty is 50K.
What does 105Y mean on the Continental ExtremeContact DWS06 Plus?
105Y breaks down as load index 105 — rated for 2,039 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
Keep shopping
Shop all 255/45R20 tires, see every Continental ExtremeContact DWS06 Plus size, or view all tires at ThreePiece.us.
- BRAND:
- Continental
- Model:
- CON ExtremeContact DWS06 Plus
- Size:
- 255/45ZR20XL
- Aspect Ratio:
- 45
- Load Index:
- 105
- Load Range:
- XL
- Section Width:
- 255
- Service Description:
- 105Y
- Speed Index:
- Y
- Temperature:
- A
- Tire Rim Diameter:
- 29.04
- Tire Type:
- High Performance
- Traction:
- AA
- Tread Wear:
- 560
- Tread Depth:
- 10
- UQTG:
- 560AAA
- Warranty:
- 50K
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