One word. Invincible.
Premium and Luxury models get the 3.6L "High Feature" DIV6, redesigned to get 310hp.
Hybrid models get a 3.0L DIV6 mated to a "Two-Mode" hybrid-electric powertrain for a combination 285hp.
Ultra models get a 4.8L "Ultra" DIV8 good for 405hp.
Designed to compete against the Lexus GS, Infiniti M, and Acura RL.
Luxury and performance together, functioning as one.