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Many MBZ, Couple of 911s, couple of pick ups
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Hello All:

I was wondering what other diesel owners were getting for milage on their GLs? I recently drove my sister's 2012 blutech and was surprised that she was getting 27+ mpg, while my 2007 CDI may get 22 mpg on long trips. Usually only achieving 20 mpg.

It make me wonder if the turbo is going out.

Thanks
 

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I have a 2009 GL320 Bluetec. Driving to work, about 30 miles (maybe 20 miles at 55 MPH speed limit and 10 miles at 45 MPH speed limit), I often get about 26 - 28 MPG around 06:00 AM. Going home driving the same route with rush-hour traffic, I'm around 22 - 24 MPG (because there is about a 8 miles strip that is stop-n-go due to traffic and 4 school zones).
 

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2008 GL 320, 2012 BMW X1, 1995 Volvo 855T, 2008 Outback
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My 2008 gives me about 23-24 cruising at 78mph, a good tailwind will get me 25mpg. Car has about 120K miles, mostly highway.
 
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