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Old 01-19-2010, 08:38 PM
elcabron elcabron is offline
Dodge Ram Forum Newcomer
Join Date: Nov 2009
Location: Monterrey, Mexico
Age: 32
Posts: 19
Gender: Male
Vehicle: 2009 Dodge Ram
Trim Level: Laramie Crew Cab
Color: White with gray stipe
Engine: 2009-2010 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Default Gas mileage behavior

Hi everyone

I've noticed something that seems to be kind of odd. Appears to me that the faster you go (up to certain level) the lower your gas consumption is. Let me tell you more.

I live in Monterrey, Mexico I use my truck to drive from home to work (most of the times) I drive like 60 km every day (37 mi) and my average oscilates between 14.7 L/100km and 15 L/100km (15.6 mi/gal), my speed oscilates between 80 - 100 km/h. One day when I was in a hurry I was going like 120 - 130 km/h and my average at the end of the road was at 14.3 L/100km (16.4 mi/gal).

So my question is ¿Why if I'm going faster the truck spends less gas than if I drive a little slower? At both rates the MDS comes in action regularly.

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