[dem00n]

Reliability? Lexus. You can talk to the owners and read the numbers online, the new ones rarely have problems. Infiniti as well, but once you need to replace parts, it'll cost more money.

Quality? We might be a bit biased as of owning a A6, A7 and now the RS7. But i really like the quailty of Audi, inside, outside and mechanically wise. Suspension components should be put on display. Well, maybe not the C6 A6's.

When it comes to the big three for performance, it's basically been

BMW - Handling
Mercedes- Straight line speed
Audi- Snow plow

Though the current gen has changed. The Audi S and RS models are getting more neutral handling, the M's are getting worse save for the M4/M3 and the AMG's can handle pretty well. The next gen of AMG, M and RS models will be most interesting.

The problem with modern luxury cars is that they all have to many sensors and overall technology. Something will go wrong within the first 40K miles. A sensor will go or an electrical gremlin will wreak havoc on a non essential system. The truth with complexity in life is that it allows for more things to go wrong.