 I purchased this vehicle used in October of 08. So far, it has been expensive to maintain but it has been well worth it. This is truly an outstanding car. I've owned Porsche, Lexus, Audi, Infiniti and this is by far the best. The ride quality is superb and it doesn't compromise handling. The car is eerily quiet even at 90+ mph. The navigation system works well, but it only has major roads mapped in smaller towns or suburbs. I also really wish the CD player was in the dash. This car's size and countless safety features make you feel very secure. The command system takes some getting used to but isn't overly complicated. The interior is huge and very comfortable.