Cummins mpg vs 225 Slant 6 mpg

if you need a daily driver thats a truck buy the cummins, the slant truck is underpowered and even more underpowered with a load on. lucky to get 15 MPG

the factory cummins trucks are 3/4 ton, if the 82 isn't look elsewhere, nothing in a 1/2 ton is strong enough to support the cummins engine

plus side is the first gen cummins engines 1989-1993 got 20+ MPG and rarely need any work, they can run 500,000 miles without much work just the simple filters and oil changes

the diesel will get the same MPG loaded or empty, and climb hills the same