I completely agree with your assessment that the B7 is the more attractive of the 2 cars (and would be my choice), but I can't get over by how much the S8 appears to devour the B7. Yikes!!!!
2015 Porsche 911 GTS
2016 Cayenne S eHybrid
Past BMWs: `05 645CiC; `07 650i; `08 M6 convertible; '08 135i; `11 750ix MSport; `15 M235i convertible
"You think that's air you're breathing now?"