Truck Trend has completed 12 months and 21,000 miles behind the wheel of the 2015 Ram Power Wagon. Average fuel economy from the 6.4L V8 was a dismal 10.89 mpg. One of those disconnecting tie rod ends failed, too.
http://www.trucktrend.com/truck-reviews/1611-2015-ram-power-wagon-long-term-report-4/
http://www.trucktrend.com/truck-reviews/1611-2015-ram-power-wagon-long-term-report-4/