Fuel Economy Update for February - 2014 Ram 1500 EcoDiesel Long-Term Road Test
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2014 Ram 1500 EcoDiesel Long-Term Road Test

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2014 Ram 1500 Ecodiesel: Fuel Economy Update for February

March 9, 2015

2014 Ram 1500 Ecodiesel

A significant unexpected event held down the mileage added to our 2014 Ram 1500 EcoDiesel this month. It spent nearly two weeks out of commission as the dealer and Ram's corporate engineers tried to understand why it suddenly stalled.

Some 1,171 miles were added during February, but only 511 of them can be added to the fuel log. The truck had well over 400 miles on its trip odometer when it was towed, but during the course of the investigation and repairs the mechanic and field engineer drained the remaining fuel, inspected the tank, added an unknown number of gallons and made several diagnostic and confirmation drives.

Along the way the tank and fuel were ruled out as potential contributors, but their tinkering means we have no way of determining the number of gallons that were consumed by the engine during this period. All we could do was top-off the tank when we got the truck back in order to put everything back on track for next month.

The 511 miles we can account for came in a single tank that was consumed at a rate of 22.6 mpg, which kept our Ram 1500 Ecodiesel 4x4's lifetime average at 22.3 mpg. Both figures compare favorably to its official 22 mpg EPA combined rating.

Worst Fill MPG: 17.1
Best Fill MPG: 27.9
Average Lifetime MPG: 22.3 (4.5 gallons per 100 miles)
EPA MPG Rating: 22 Combined (19 City/27 Highway)
Best Range: 700.2 miles
Current Odometer: 25,725 miles

Oh, right. In all the confusion we barely realized that our 2014 Ram Ecodiesel passed the 25,000-mile mark. And look how cheap Diesel #2 has gotten relative to gasoline in my area. That's a big win.

Dan Edmunds, Director of Vehicle Testing @ 25,725 miles


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