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UTQGUniform Tire Quality Grading
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The UTQG rating for the SP 4N increased to 320 from 220, and the Radial Rover P-Metric's UTQG rating was boosted to 440 from 300.
The AVID TRZ has set new standards in its category by having an 80,000-mile treadwear warranty, a 700 A/B UTQG rating and uncompromised dry, wet and snow performance packaged with a size line-up that fits many of the most popular sedans and minivans on the road today.