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GL Class (X164) 2007-2012: GL320CDI, GL420CDI, GL450, GL550

HOws the Gas Mileage compared to the Old ML500 ?

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Old Jul 1, 2007 | 10:27 PM
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HOws the Gas Mileage compared to the Old ML500 ?
IS this more fuel efficent or less?
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Old Jul 2, 2007 | 06:23 AM
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2013 GL450 (traded for 2015 Escalade), 2012 Corvette, 2014 Ford Fusion, Previous: 2007 GL450, 2011
Originally Posted by sklasse
IS this more fuel efficent or less?
Don't know about the the M.....but my 450 is averaging 14 or more around town and long road trips are 19.
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Old Jul 2, 2007 | 08:08 AM
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Originally Posted by blittle
Don't know about the the M.....but my 450 is averaging 14 or more around town and long road trips are 19.
Copy that.
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Old Jul 2, 2007 | 09:08 AM
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From: South of the Mason Dixon, North of the Gulf
2007 GL 320 CDI, 2008 M5
GL320 gets over 20 in city driving and about 25 or 26 on the highway averaging 80 mph. Combined mileage is about 23.

I find that true mileage is better than what the onboard computer calculates...
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Old Jul 2, 2007 | 11:31 AM
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Originally Posted by oinick
GL320 gets over 20 in city driving and about 25 or 26 on the highway averaging 80 mph. Combined mileage is about 23.

I find that true mileage is better than what the onboard computer calculates...
I should check that as I'm relying on the OBC to calculate my mileage. (What can I say, I'm lazy.)
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Old Jul 2, 2007 | 03:20 PM
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Averaging 16+ overall, about 19 on highway@ 80+mph. Keeping under 75 computer says 22-23mpg.
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Old Jul 3, 2007 | 08:47 PM
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Is anybody towing with the GL. I've towing my race car with my ML500, and it's awesome, but it's time to upgrade. The towing capacity is pretty much the same, and more torque, but I like to hear from real owners.
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Old Jul 3, 2007 | 10:04 PM
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As the miles have increased on my 450 (up to 5,000 now) my mileage has gotten better. Around town has been 15 - 16 and on the highway 19 - 20.
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Old Jul 4, 2007 | 02:20 AM
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'07 GL 450, '02 S 80 T6
Originally Posted by Newbie_2_MB
As the miles have increased on my 450 (up to 5,000 now) my mileage has gotten better. Around town has been 15 - 16 and on the highway 19 - 20.
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