I purchased a new Ford Focus and have been the sole owner since 2001. I have also used Wal-Mart for my tires since the cars purchase. However in the last few years, in my opinion, the tires have been of a low quality and have been unreliable and unsafe. On January 26, 2007 I purchased 4 Douglas Xtra-Trac P185/65R14 tires. I had them installed; I also purchased the road hazard and lifetime balance and rotation. The tire wore evenly and still has plenty of tread on them. However in Feb/March of 2008 the car developed a violent shake. We... read full review »