C cumminstech2010 New member Joined Apr 4, 2013 Messages 70 Aug 2, 2013 #1 What's everyone getting fuel economy wise on 2013 6.7? I've heard between 14mpg and 22mpg
2 2Tone12V New member Joined Jun 25, 2007 Messages 9,336 Aug 13, 2013 #2 14 with my 20 foot trailer loaded. 17-18 at 70 mph unloaded. Truck has 37's and 4.56 gears. H&S MM with trans tuning, AirDog, studs and an Airaid.
14 with my 20 foot trailer loaded. 17-18 at 70 mph unloaded. Truck has 37's and 4.56 gears. H&S MM with trans tuning, AirDog, studs and an Airaid.
9 LIVES Demolition Expert Joined Oct 29, 2006 Messages 4,051 Aug 31, 2013 #3 2012 stock cab & chassis with DEF loaded heavy 8.5 mpg loaded normal 11mpg city driving 12.5mpg Highway 70-80mph 13.5 mpg
2012 stock cab & chassis with DEF loaded heavy 8.5 mpg loaded normal 11mpg city driving 12.5mpg Highway 70-80mph 13.5 mpg
