I installed these tires on my wife's 2004 Pontiac Grand Prix and they are 10x quieter than the old Michelin Hydroedge tires that were on it. Out of the 4 that I ordered 1 was found to be out of round but with road-force balancing the shop was able to smooth out the ride with only .75 ounces of weight. These tires are extremely smooth and have great all around traction. These tires do not have the best traction on ice but did very well with about 5 of snow on the ground. You cannot beat these tires at this time (2014) for the price.