Highway mileage is dreadful!

3813 Views 22 Replies 19 Participants Last post by  Black1
My Ram is new, about 1,200 miles and today I did the first real hwy trip. I filled it at 7-11 with 87 octane and got on the highway. I drove 175 miles, all interstate at about 75 mph, a little less for a while and little more for a while, never over 80 mph. We got to our destination, did about 5 miles in town and headed back home. About 30 miles from home, the gas light comes on. I found a station and fill it up. 23.62 gallons and 335.5 miles equals 14.2 mpg! My window sticker says 19! How could it be so bad? I should claim fraud by Dodge!
I used cruise control almost exclusively, never flooring it. No A/C on. WTF?
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I am getting 15.8 EVIC calculated, i use Am Pm gas mid grade
i get better in summer
i try to keep at 72 mph, going across the desert floor to Yuma, but there is this little set of hills in between Sea Level to below sea level, at least 3 hills at 4,100 feet
I have 1,000 pounds of extra weight in the bed, my Ram weighs 6,300 when i start it up, about the same as a 4X4

It hurts when a friend is making the same trip in his Ford Ranger, it costs him $10.00
It costs me $45

He is much lower, much lighter, car street tires & he runs Regular gas
Where is, i just look better doing it :)
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