11-04-2012, 09:55 AM
Location: Not In Kansas Any More
Join Date: Dec 2005
Mein Auto: 535iX M Sport; 328i Wagon
"Hitting it hard" has nothing to do with it. It takes a lot of energy to accelerate a 6,000 pound vehicle from a dead stop to 20 or 30 mph, a process which you are repeating over, and over, and over again.
Originally Posted by tgb1974
I am about 1/2 through my first tank on a new 2012 X5d and, after about 90% true city driving (Chicago), the trip computer is showing about 15.7 mpg. I am not hitting it hard or anything, just a ton of stop-and-go traffic (and yes, I reset the trip computer before I left the dealership). Is this normal or does it get better over time? I am most interested to hear from X5d owners who do mostly city driving. Thanks in advance!
It takes exponentially less energy to keep that same 6,000 pound vehicle rolling at 75 mph down I-80. Why should this be surprising? Did someone tell you that diesel repealed Newton's Laws?
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2014 328i Sport Wagon
, Glacier / Black, ZSL, ZD2, ZD3, ZDH, ZLP, ZPP, ZTP, and H-K
2011 535xi M Sport
TiAg / Black, ZPP, ZP2, ZCV, ZCW, ZDA, 2TB, 6NR, 465, 5DL, and a Partridge in a Pear Tree
2011 X5 35D
2008 ///M3 Vert
2008 X5 3.0
2007 X5 3.0
2006 X5 3.0
2006 550iA SP
2003 540iA M-Sport