If I had the means, and wanted to do it all with one car, the Panamera 4S would be it. I've driven it pretty hard, and even being pretty jaded by cars these days, I came away fully impressed.
ED on 7/18/2014: 2014 550i, Space Gray, Mocha. M Sport, Cold Weather, DAP, Executive, Lighting
PCD on 9/6/2011: 2011 550i, DSB, black/oyster. Prem 2, Conv, Ventilated, HUD, Sport, DHP, SAT