My truck which i have at present time is a Diesel 6.7liter. On my way to Chilliwack going empty i averaged 20 mpg Imperial. That was a distance of 1164KM. Most of this was highway driving and some town driving. On my way back i took the long hilly way and got 16 mpg Imperial pulling trailer. Trip back was 1429.8 Kms
Lots of my route was in mountains and at times very slow. I never drove over 100kms/60 mph.
Total fuel bill was $483.52 CDN.
Total Kms was 2593.8 Kms
Cost/Km is about $0.18

 

MY MEGA gets between 8.5 mpg and ive seen 16.4mpg on the overhead console w/ 37"s real world tank fill up's more like 11mpg last fill up $141.oo the 12 valve tried and true 19 mpg per tank