Gas Mileage on trip.

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scot moore

scot moore

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I don't understand how having the rooftop carrier empty made any difference. Or am I not getting something?
It was an empty cargo rack vs one filled with stuff in a bag. Only drag coming back was the bars of the carrier. Going up it had a mass 30” tall as wide as the rack, and as long as the rails. If that makes any since.


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kbuskill

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It was an empty cargo rack vs one filled with stuff in a bag. Only drag coming back was the bars of the carrier. Going up it had a mass 30” tall as wide as the rack, and as long as the rails. If that makes any since.


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I was thinking it was one of the hard box type carriers.
 

iamdub

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It was an empty cargo rack vs one filled with stuff in a bag. Only drag coming back was the bars of the carrier. Going up it had a mass 30” tall as wide as the rack, and as long as the rails. If that makes any since.


Sent from my iPhone using Tapatalk

I was thinking it was one of the hard box type carriers.


What Ken said. I thought you had a rooftop carrier:

ar%20Top%20Carriers%20-%201%20-%20Thule%20Sidekick.jpg

mounted to your roof rack. Now it all makes sense.
 

dwkehoss

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I believe anything on the outside adds a measure of wind resistance which will impact gas mileage. I checked the avg gas mileage indicator on the DIC against my calculator and it was spot on .
 

billnparker

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Ive got a 2012 LTZ, and average around 15.8 MPG (over 70K miles). Crossing KS from Colorado, if I cruise at 77MPH, I’ll get 14, cruise at 71,MPG will jump up to 17+.
 

Silent D

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In my '09 LTZ from Seattle to Denver I average 15.3 mpg. I am by no means easy on it but do use cruise control most of the time. Two adults, a teenager, 5 year old and two year old with all of our stuff. That straight through, about 19 hours.
 
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