Last fill up was 11.28mpg prior to that it was 10.83mpg. I paid my $1300 guzzler tax, I feel fine about my poor gas mileage.
2013 Mercedes-Benz GL450
SOLD-2013 Porsche Cayenne S
SOLD-2011.5 ///M3 Sedan, Interlagos Blue, Bamboo Beige Novillo Leather, Carbon Fiber Leather, Competition Package, Convenience package, Cold Weather Package, Premium 2 Package, Moon roof, Satellite radio, Automatic High beams, M-DCT (ED 3/18/11)