When I bought my GS 350 AWD, I noticed a hard "pull" to the left. I became disappointed in a car that I just spent over 50k on! Well, after 4 trips to the dealership we found out it was the tires! The dealer replaced the Dunlops with Bridgestone tires, and the pull was gone! I LOVE the car again, and look forward to driving it more and more now that I don't have to fight the steering wheel! The only changes I would make are XM radio as standard equipment, and make the steering wheel controls brighter, so that they can be seen at night.