Mostly from people who own 5th gen and are jealous of 50 extra horse power, way more torque and improved tech. There has been shots taken at the new design as well but were they supposed to just keep the vehicle looking the same for another 15 years. There isn’t really any drawbacks unless you arbitrarily consider Toyota to not make reliable vehicles anymore. Bit of a stretch if you ask me. The motor has been used in a Lexus vehicle since 2021.
I think it's just the idea that "bigger is better." My first 4Runner was a 2007 and I got the V6. It took 230k miles before I had my first issue with the engine, and even then it was a minor one. I towed with it quite a bit and never felt like it didn't have enough power. But a LOT of owners say that only the V8 would do, and the V6 isn't good enough, or powerful enough, or reliable enough, etc. Now you get people that swore on the V8 as well as the V6 with the only option being a four-cylinder, so there's going to be speculation as well as hate.
You gave me more confidence about the 2.4 turbo engine. Will the non hybrid version be more reliable?
Good question there, i think only time will tell on that one as i've never owned a hybrid or EV so don't have a ton of experience on it. One thing i'll add to my previous post is that Toyota has been in the turbo game for a long time (reference my 1st gen TURBO 4-runner in my profile pic
straight outta the 80's) so forced induction is not new to them. I trust they will have integrated the battery with longevity and reliability in mind given their track record, so much so that i've had a deposit on an i-forcemax trim since April. I do expect some bugs and typical "first run" quirks to pop up but i hope most of the impactful ones have already been worked out via the LCs/Tacomas on the road today and the fixes already integrated into the production for the 4Runner 
I would think the non-hybrid turbo 4 will be more reliable, as it does not have as much components as the hybrid version.Good question there, i think only time will tell on that one as i've never owned a hybrid or EV so don't have a ton of experience on it. One thing i'll add to my previous post is that Toyota has been in the turbo game for a long time (reference my 1st gen TURBO 4-runner in my profile pic
I would assume that fewer components would mean better reliability, just because there are fewer things that can fail. But Toyota has a ton of experience with hybrids, more than any other automaker probably, so I’m personally not looking at the hybrid as a reliability concern. But I do know that that’s one more thing that could fail, as with any more complex additions to any vehicle. Also, as others have said, this isn’t the first vehicle this powertrain is in. I wouldn’t expect it to be 100% free of bugs, but I trust Toyota to stand by their vehicles as they’ve proven to in the past. Plus, it’s being built in a plant with high quality standards, so there’s that too.
do not, but maybe i should
would not say thats a hard requirement at all, most modern FI engines have pretty optimized cooling systems. Probably doesnt hurt if you've really been pushing it to let it idle a few before shutting it down but it really depends on how you define extreme driving. I'd probably only look to do that if i've been towing for an extended period of time uphill or other activities that i know has really allowed the drivetrain to heat soak.
