Front engine, rear-wheel drive, five-passenger, full-size, luxury sedan. ENGINE: 4.6-liter, double overhead cam, dual fuel-injected V-8 with VVT-iE. Adaptive, variable air suspension with variable gear ratio steering and drive modes $2,120; Mark Levinson, 19-speaker audio system $1,580; semi-aniline leather interior trim $550; blind spot monitor with rear cross-traffic alert $500; wood steering wheel $110.