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Old 05-08-2013, 01:31 PM
Kev087's Avatar
Kev087 Kev087 is offline
Dodge Ram Forum Newcomer
Join Date: May 2013
Location: Fredericksburg, VA
Age: 27
Posts: 29
Gender: Male
Vehicle: 2013 RAM 1500
Trim Level: Tradesman
Color: Bright Silver
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 0
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I have the 5.7 Hemi and a 4x4 in my 2013. On my daily commute of 32 miles I average 20.4 MPG with 89 octane. when i got the truck from the dealer in Feb. they put 87 and i was only getting 17.5-9 same driving style same commute, traffic etc. once i switched to 89 the truck ran so much smoother and I saw (my wallet did too) more economy. Then i recently took a 1600 mile trip home and i averaged 24.4 MPG with 89 until i got home and then the mid grade was 88, i didnt drive my truck till i left again and for that first leg of my trip back i only got ~22. but once i filled back up with 89 it shot back up. So smoother idle and drive, better fuel economy I would say is worth .10 cents more
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