s0ysauce
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Car and Driver
Not only is this new Pirelli all-terrain tire quiet on the road, but it is also durable, athletic, and stylish. It might come on your next new truck or SUV.
Pirelli has launched a new lineup of all-terrain tires in North America called the Scorpion XTM AT.
The off-road rubber is available in two variants: one for gas-powered trucks and SUVs and the other with Pirelli's Elect technology for vehicles with plug-in hybrid and electric powertrains.
There are 21 sizes available at launch (10 standard sizes and 11 Elect sizes) with wheel diameters ranging from 17 to 20 inches for the standard tires and 18 to 22 inches for the Elect tires.
Pirelli emphasizes the Scorpion XTM AT's aggressive, high-void tread pattern. The tread block size and layout are designed to reduce road noise while maintaining good handling and off-road performance. That rigid pattern flows into the two-ply, heavy-gauge, three-piece sidewall. Pirelli calls this the claw effect, and it becomes particularly useful when driving on sand or other loose surfaces. To accomplish this continuous pattern into the shoulder, Pirelli created a new mechanism in the manufacturing process that departs from over 150 years of tiremaking tradition.
This tire gets the three-peak mountain snowflake (3PMSF) rating, meaning it has proved capable of performing in the snow. Pirelli says the XTM AT has a new compound technology that allows it to have variable transition points. The bonds within the rubber structure modulate according to temperature, meaning the tire will remain flexible whether it's hot or cold. "This is a genuine three-peak mountain snowflake," Coke says of the tire. "It's a very strong three-peak mountain snowflake."
Perhaps the biggest news is the release of the Scorpion XTM AT Elect, a tire specifically designed for battery-electric trucks and SUVs that has different priorities. Coke says the Elect has "an extremely low rolling resistance in comparison to benchmarks" and other Pirelli products. This is to maximize range and efficiency and, according to Pirelli, results in 5 percent more range versus the non-Elect tire. However, the Elect isn't any quieter than the other tire, and the trade-off for reduced rolling resistance is poorer performance in the mud, Pirelli says.
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