This is my 3rd Lexus. They just seem to get better. What a wonderful automobile, the best I have ever driven. I drive a lot of highway type driving and I get up to and including 30mpg more often than not. I have a GS 430 and the only concern is sometimes I get noise from the wheels on certain type of road surfaces. But since this car is a performance vehicle that is not a real problem.
Ease of use of almost all of the dashboard features. Nav is great! The seats fit me like a glove and do not bother me in long distance driving even though I have hip and knee problems. Sound system is fantastic along with the acceleration and handling.
Possibly a little bit higher door opening to get into the car.