http://www.caranddriver.com/reviews/car/11q1/2011_bmw_535i_xdrive-short_take_road_test
Comments:
zero:
[…] heavy weight are unacceptable. I’m reading about the 2012 A6 and it is definitely more impressive with weight at 3900 vs. 4200lb. […]
Sorry to dissapoint you:
Official weight of the 535ix: 1840kg
Official weight of the 535i: 1760kg
Official weight of the A6: 1815kg
The Audi’s fuel economy is slightly worse.