This is SO true.
FJCruiser (bumper, Winch, Rack, RTT, Rear bumper gear etc. the Engine ran like it was going to explode, 11 MPG average. Slowed down on hills on the freeway and could not use cruise control (shifted to much)
FJ60 Bumpers, winch, RTT rack, gear etc. Forget it, 3rd gear is your friend 99% of the time, what gas mileage. Stock it can barely get out of it's own way. Loaded, a Honda Z50 has more pickup.
F150, towing a 7000lbs trailer, I pass people going up hill. gas mileage is horrible, but such is life.
For me have never cared about gas mileage. I understand most people do. My father told me something when I was 16 and complained I HAD to work on my car.
"Owning a vehicle is a privilege, not a right. You can always take transit. So stop complaining about having to work on it and enjoy fixing your vehicle."
I live by that premises for fuel as well.
Your father sounds like a wise man.
Your experiences match up with my own. I love Toyota's gasoline engines in their trucks and SUV's; they're nothing special in terms of raw performance, but they're reliable, robust and easy to work on (generally speaking). However, they seem to need only the slightest of excuses to get mediocre to poor mpg. The 4.0L v6 in my stock 4runner is rated for 22 mpg highway and 18 city...I'm lucky if I can break 19mpg even when I do 50%-60% highway driving and 15-16 mpg is not abnormal during pure city driving in the winter. I can only imagine how bad it would be if I had bigger tires, armor and a winch on there...lol.
That and the acceleration is already pretty mediocre as it stands in stock form (not that I bought the truck for fast 0-60 times). If I were going to do a month long drive through the remote parts of Northern Canada (which I'd like to do at some point in my life) and have to haul all kinds of gear and supplies, a full-sized pickup (F-150 or Tundra) with a torquey gasoline V8 (with extra fuel cans in the bed) would be preferred, a HD diesel pickup would be ideal. The trend here in North America is to throw 33's and everything out of the ARB or AEV catalog onto a used gasoline Tacoma, FJ Cruiser or Jeep; you have a rig that is at or slightly over GVWR and can barely get 280 miles out of a full tank without strapping extra cans to the roof and rear. IMHO, there are better platforms out there, especially when it comes to handling the weight.