I get 18-20 mpg’s unloaded average and 12-14mpg’s pulling my 19’ fully loaded boat with my 2.7ho, depending on wind. I drive 5.0 ford f150’s and 5.3 tahoes (‘08-‘18)at work. My 2.7ho feels more powerful. Plus fuel isn’t $6 a gallon. Mind you this is in mostly flat North Dakota. I think if I could keep it under 65 mph and quit gunning it, I could get better mileage but what fun is that lol. I will get mid 20’s on short trips to town if I’m careful but wouldn’t expect those numbers under normal conditions. Once again this is flat open roads in the summer. I mention this because if you are open to a turbo diesel 3.0 a
The new 2.7ho is sort of an inbetween in power. The 2.7 ho only has 30ft lbs less torque than the 3.0 diesel but has 33 more horsepower. Also just because and engine runs on diesel doesn’t mean it will last longer plus maintenance and repairs are always more expensive. I hope these last forever but it probably won’t last as long as my old 7.3 ford diesel has. I’m a long time Diesel engine owner, cars, trucks and tractors so I have nothing against them it’s just emissions are slowly making the cost of ownership go up.