We have always had a Toyota product and never had any problems. This is my first Lexus and I absolutely love it and so does everyone in my family and our friends. The Lexus had a more solid, heavier feel than the Infiniti that seemed somewhat lighter and hollow. The Lexus has a classier/rich look.
The slight change in the body style inside and out and quietness of the ride.
A gas monitor to detect how much gas you have left before you run out.