Back in '04 the H.D. units that were over 8600 GVW
did not have to list EPA estimates.
I have an '04 K-2500 L.D. Ext Cab 6.0 V-8 with a 3:73 ratio and the
last time I check it was 10 to 13
I'll agree with Donn2390 Mileage was not the purpose of this
unit, But it sure hauls
