The Hankook Ventus ST RH06 275/40R20XL 106W Tire Optimizes Luxury SUV Performance. If you drive a luxury SUV, the Hankook Ventus ST RH06 tire is your tire. Made specifically for high-level SUVs, the all-season tire series provide sports performance at high speeds. The controlled footprint shape keeps the tire glued to the road while its design delivers sensitive handling in a wide variety of driving weather. This Hankook tire has a treadlife of 50,000 miles and a treadwear grade of 420; you won't have to replace these high-performing tires any time soon. The high traction and temperature grades (A) mean it can deal with whatever conditions you come across.