I purchased a 2013 GS 350 in September 2013. Within a few weeks I noticed a hesitation when accelerating from a dead stop. I immediately notified the Lexus Dealer. They told me they had no other similar complaints. I went on line and found a few Lexus owners with the same problem. These owners describe exactly what I was experiencing. Well, after one year I think the problem is solved. A few years back Toyota/Lexus had a problem with floor mats sliding up on the accelerator pedal and causing uni