Atturo AZ850 Summer Truck SUV Tire 285/40R21 - High Performance

Our review of the Atturo AZ850 285/40R21 summarizes who will get the most from these summer truck and SUV tires and the main reason to consider them: solid on-center stability with confident cornering at a value price. Fit for drivers who want an ultra-high-performance feel without a premium price, this tire delivers a reassuring straight-line feel and precise handling thanks to an asymmetrical design and a solid center rib. It also manages wet roads through wide evacuation channels while keeping road noise low, making it a practical choice for performance-oriented street use.

Key Features

• Enhanced Stability: The solid center rib improves straight-line stability and gives a firm on-center steering feel for confident highway driving.
• Superior Wet Performance: Four main tread channels evacuate water efficiently to reduce hydroplaning risk and help maintain grip in rain.
• Quiet Ride: Finely sliced sipes on the inside shoulder reduce road noise for a quieter and more comfortable cabin experience.
• Cornering Precision: Large outside shoulder blocks resist deformation under load for predictable handling when taking turns aggressively.
• High-Performance Design: The asymmetrical tread pattern optimizes the contact patch to balance dry traction and responsive steering for spirited driving.

Who It's For

The Atturo AZ850 is aimed at truck and SUV owners who want an ultra-high-performance summer tire that emphasizes handling and a stable on-center feel without stepping up to a premium price tier. It is well suited to drivers who spend time on highways and back roads and value dry-road grip, predictable cornering, and reduced cabin noise.

Drivers who need true all-season capability, heavy off-road traction, or a dedicated winter tire should look elsewhere, as this model is a summer performance tire focused on road handling and wet-weather evacuation rather than snow or mud traction.

Pros & Cons

Pros

• Confident straight-line stability thanks to a solid center rib that improves steering feedback.
• Effective water evacuation from four main channels reduces hydroplaning risk in wet conditions.
• Low road noise from finely sliced sipes creates a quieter ride than some performance tires.
• Strong cornering grip from large outside shoulder blocks for predictable handling.

Cons

• As a summer performance tire, it is not intended for winter conditions and should be swapped out for cold-season use.
• Thread depth and long-term durability are solid for the price but may not match premium, longer-wearing performance tires.

Specifications

Product	Atturo AZ850 Summer Truck/SUV Tire
Size	285/40R21 (285/40ZR21)
Load/Speed	109Y Load Range XL
Construction	4-Ply side wall, radial
Tread Depth	10/32nds
UTQG	320AA

Our Verdict

The Atturo AZ850 285/40R21 is a strong value pick for truck and SUV drivers who prioritize handling, wet traction, and a quieter ride in warm weather. It pairs an ultra-high-performance asymmetrical design with stability-focused engineering, making it a good choice for spirited street driving where premium tire pricing is not desired.

Frequently Asked Questions

Are these tires suitable for rainy conditions?
Yes; the four main tread channels help evacuate water and reduce hydroplaning risk, improving wet performance.

Can these tires be used in winter?
No; they are summer performance tires and are not designed for snow, ice, or prolonged cold-weather use.

Do these tires run loud on the highway?
No; finely sliced sipes on the inside shoulder are engineered to minimize road noise for a quieter ride.