I was getting almost 30 out of mine (gas) coming out of KC a few months ago. The wind was coming out of the south at 40 mph pretty steady, though. I have always wondered if that had any impact on my mpg.
Gladiator diesels I'm aware of generally do high 20s (MPG) Doing over 30 sounds quite good.Ya it could have been mine is a diesel. That was though the mountains today going to the one of the ski hills and back. I haven't done a flat Prairie drive yet.
I average in town 9.7L pre 100kms but it does jump around form that to 10.5 L pre 100 kms