Both my '22 & '25 are FWD hybrids. Exact same build except for paint color.10-13 mpg diff is crazy!!
Is this 22 hybrid FWD vs 25 hybrid AWD?
There is going to be an mpg drop with the weight of AWD but that much is crazy!
We are having uncharacteristically cold weather, lets see what happens apples to apples with warm temperature.
I really can't wait for someone to do an HF55 teardown video, or better yet and HF45 vs HF55 teardown, I believe HF55 has larger CV-axles designed as a common drivetrain for a bunch of platforms, the 2025 4k tow package is just bigger radiator, hybrid coolant intercooler, & trailer brake controller so if the powertrain isn't changing it is built strong enough for 4k loads so imagine its heavier than the HF45?
I agree we've had colder weather than usual and for longer than usual. I never reset my Trip 2 odometer on the '22, and over 2.5 years I averaged 43 mpg. If I was getting 45-47 in the warm months, that should mean I was getting 38-41 mpg in the cold months. Or maybe I was averaging 43-47 for 9 months and 32-34 in the 3 coldest months (obviously not an exact science).
I got the '22 at the peak efficiency time (July) and the '25 at the peak inefficiency time (January). That could be the whole story. I'll have to wait & see.
So I'll leave my Trip 2 meter to calculate the average mpg for the life of the truck and see how it goes. If I can at least average 40 mpg, I'd be pretty happy.
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