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An Ultra-High-Performance Summer Tire With an Asymmetrical Tread
The Atturo AZ850 is an ultra-high-performance summer tire designed with an asymmetrical tread pattern for a wider, more stable contact patch. A solid center rib delivers directional stability at speed, while large outside tread blocks improve cornering grip, making it a strong fit for sport sedans, coupes, and performance SUVs running a wider 20 in. fitment.
Key Features
- Asymmetrical tread design optimizes the contact patch for grip and stability
- Solid center rib improves straight-line, high-speed stability
- Large outside tread blocks enhance cornering performance
- Extra Load (XL) construction rated for higher load capacities
- Y speed rating supports sustained high-speed performance driving
Fitment
| Vehicle | Application | Component | Notes |
|---|---|---|---|
| Universal | All Makes | Fitting 275/35R20 | Sport Sedans, Coupes, Performance SUVs |
Specifications
| Detail | Value |
|---|---|
| Atturo item number | 50025 |
| Tire size | 275/35R20 |
| Load index/speed rating | 102Y XL |
| Overall diameter | 28.4 in. |
| Section width | 10.9 in. |
| Approved rim width | 10.0-12.5 in. |
| Tread depth | 10/32 in. |
| UTQG | 320 A A |
What's Included
- 1 tire
About the Brand
Atturo Tires designs and distributes a broad tire lineup spanning ultra-high-performance, all-terrain, and everyday passenger applications, offering a value-focused alternative for enthusiasts and daily drivers alike.
FAQ
What size is this tire?275/35R20, with a 102Y load index and speed rating in Extra Load (XL) construction.
What rim width does this tire require?An approved rim width of 10.0 to 12.5 in.
Is this a summer-only or all-season tire?This is a summer/high-performance tire, not rated for winter conditions.
What does the UTQG rating mean?320 A A indicates the treadwear, traction, and temperature grades under the DOT's Uniform Tire Quality Grading system, with A being the highest available traction and temperature grades.
Is this tire directional or asymmetrical?Asymmetrical, meaning the inner and outer tread halves are designed differently for a wider effective contact patch.
What is the overall diameter of this tire?Approximately 28.4 in. when mounted and inflated.
How many tires does this listing include?This listing is for 1 tire, order the quantity needed for your vehicle.
What is Atturo's warranty on this tire?Contact Atturo or your retailer for specific treadwear and workmanship warranty terms on this tire.
Installation Instructions
- Verify your vehicle's tire size and load rating requirements before ordering.
- Have the tire professionally mounted and balanced on your wheel.
- Install on the vehicle and torque lug nuts to the manufacturer's specification.
- Check and set tire pressure to your vehicle's recommended PSI.
- Re-torque lug nuts after the first 50-100 miles of driving.
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