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Old 12-15-2011, 09:16 AM
geoexchange geoexchange is offline
Dodge Ram Forum Junior Member
Join Date: Dec 2010
Location: Auburn, Indiana
Posts: 32
Gender: Male
Vehicle: 2010 1500 Ram Hemi Crew 4x4
Trim Level: Big Horn
Color: Black
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 0
geoexchange is on a distinguished road

2010 CC 4x4 Hemi
K&N Drop In
Bully Dog GT (no significant difference in fuel mileage, but only installed 60 days)

Purchased October 2010, 70k miles (my truck is my national office).

Mileage varies - a LOT.

Highway only at 62, no wind, flat road - 20.8 (have seen as high as 21.5)
Highway only at 62, windy and/or hilly - 19
Highway only at 72, no wind/hills - 18
Highway only at 75, no wind/hills - 17.6
Highway only at 75, windy/hilly - 16.4
Highway only at 80, 15.7
Towing two-horse steel bumper pull trailer, loaded - 12.2 (very happy with that one)
All around average includes city, 15.6
Winter is MUCH worse because I like my remote start, and I refuse to scrape ice! Remote start will kill your gas mileage.
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