Everything one would expect from Lexus: the cabin is quiet and surrounds one in understated by unmistakable luxury. Very quick at all speeds and excellent braking. Cornering is OK, but this is not a "driver's" car. It is, however, outstanding on the freeway and on long trips and comfortable and capable if not exciting around town. GREAT highway passing ability. My actual highway mileage is 25+ mpg -- and I don't drive 55. In town, expect 15-17 depending on mix and how heavy one's foot is. The Mark Levinson sound system is magnificent. Back seat comfort is arguably better than the front seat. The shifter is extremely nice and can enhance driving experience and reduce brake wear.
Power, luxurious interior appearance and feel, sound system. Excellent highway mileage for such a large powerful car.
MP3 player integration, CD player should accept MP3 encoded CDs, more extension on the steering wheel. Lexus finally got the front drink holders positioned well in the LS460; workable but less than ideal in this model.