The new IS350 weighs 3700lbs. That's as much as my x drive and the AH3. On paper it's already failed.
EBII '13 335i xDrive
320HP, Auto Sport, 19" 403M Tires, Prem, Tech, Cold, Driver Assist & DH pkgs
AW 2011 X5 35i Premium
300HP, Prem, Convenience, Cold and Tech packages