ScubaDadMiami Posted July 15, 2013 Report Share Posted July 15, 2013 Now that I have finished most of my local road testing, I happen to have some highway driving on my list. I made about an 80 mile trip, yesterday. I used Eco Cruise, and I set the speed at 56 mph. Surprisingly, I still managed to get 50.2 mpg for the round trip, which consisted of 80-90 percent highway driving. (Took some local roads to get to the highway, at each end of the trip.) What a car! :yahoo: Quote Link to comment Share on other sites More sharing options...
Edsel Posted July 15, 2013 Report Share Posted July 15, 2013 Just curious, what was the posted speed limit? Quote Link to comment Share on other sites More sharing options...
fotomoto Posted July 15, 2013 Report Share Posted July 15, 2013 I did a 400+ mile highway day trip this weekend. Car was loaded down with 4 people, luggage inside, and a new hitch and cargo carrier installed on the back with a load of camping equipment. Temps range from 85F in the morning to 105F while idling in a parking lot during the afternoon. A/C set to 72-74 auto/recirc. Eco-cruise set to speeds from 65-73mph with a headwind on the return leg. 85/15 hwy/city. Got 40 mpg for the day. Adair 1 Quote Link to comment Share on other sites More sharing options...
Jmonty Posted July 15, 2013 Report Share Posted July 15, 2013 There is a good stretch of highway by my home that's ~25 miles all slightly down hill at 60-70 MPH. Managed ~85mpg for that little stretch, but for sustained speeds over flat ground 70+ MPH I believe there is no hope of attaining close to 47 mpg with a stock car. Which I'm fine with. Quote Link to comment Share on other sites More sharing options...
ScubaDadMiami Posted July 16, 2013 Author Report Share Posted July 16, 2013 Just curious, what was the posted speed limit?Most of it was 55, about a third was 65. Quote Link to comment Share on other sites More sharing options...
ScubaDadMiami Posted July 16, 2013 Author Report Share Posted July 16, 2013 I am kinda thinking that highway will be one of two speeds for me: either 55 or 67. So, I wanted to test out 55 first, since there aren't many places in my main travel area with 65+ mph speed limits. Quote Link to comment Share on other sites More sharing options...
Edsel Posted July 16, 2013 Report Share Posted July 16, 2013 Here in Texas 65 is the low end of highway travel. Most is 70-75. Some up to 85. Doesn't do wonders for my MPG. :spend: Quote Link to comment Share on other sites More sharing options...
ScubaDadMiami Posted July 17, 2013 Author Report Share Posted July 17, 2013 With the new upgrade, higher speeds sound like they will get better. BTW, I run air conditioner at all times. So, that will improve with the new upgrade, too. Quote Link to comment Share on other sites More sharing options...
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