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First road trip, 09 E350 , gas mileage 29 mpg?

876 views 2 replies 2 participants last post by  Paul ram 
#1 ·
Just did an 800 mile roundtrip , with the exception of about 4 miles each way I cruise controlled at about 72 mph for an average of 68 mph. The mpg readout slowly inched up from about 17 mpg to a tad over 29 mpg and peaked there. How is that interpreted? If I were never to slow or stop
then is the peaked number what the mpg actually is?
 
#2 ·
I believe that is your average not peak.

On a 350mi trip with a few stops I net 26.2mpg driving 80 to 85 most of the way so sounds good!

I average 22.2mpg on my daily. This is 4matic so hence a couple mpg difference.
 
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