I bought this set of tires bc of high review on tirerack. I was wrong. These tires are definitely not Ultra High Performance All Seasons. Think of these tires are good all seasons tires for Grandma and Grandpa old buick. As soon as I have these installed in my car, I noticed the ride was bumpy, handling sloppy and unstable on highway. My IS300 sporty characteristics was gone. Please do not make the same mistake like I did. Spend a little more and get a set of Micheline tires. After 11000 miles, there was very little wear and tear on these tires which indicated that the treadwear is very good. I took my car to Discount Tires and traded in my used tires for a new set of Micheline Super Sport. OMG...what I have been missing. My car driving like new, quite, smooth and very grippy. Don't believe me, try to buy the Continental DWS and you will regret.