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Does cruise control cost more in gas?

Old 08-11-2007, 10:15 PM
Ridiculously Active Enthusiast
Join Date: Aug 2006
Location: Long Beach, Calif
Posts: 530
Default Re: Does cruise control cost more in gas?

On long trips, as I just completed this week (8000 miles +) what made the difference was . . . speed.

We would drive the US Hwy system (as US 50) , and even state hwys, using CC at posted speed, usually 55. The result was an average speed of over 50 mph.

My best run , on the other hand, was Utah - Wyoming (59.1 mpg, calcuated). That run was using CC on I - 90.

If I may make a suggestion which involves stating one's mpg - that you indicate if it display, or calculated. I found that the difference can be significant from one tank to the next.

In any case, we always drove, when able, with CC - even into small towns where there was little or no traffic. That was down to 30 mph.
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