The following is a list of the items you will need to "look out for":
1.
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Hi, I just joined the forum because I'm looking at 2011 4-Runner and I'm trying to do some research on them. I've paged through the forum a bit but I'm looking for info about long term reliability and known/common problems. Any input on what to look out for?
Any hatch back will rust, its the way the exhaust gets caught in the air pocket at the back of the vehicle. My golf did the same thing.
2. The heater fan started to make some bearing noise.
I had the same issue! I couldn't replicate it at the dealer. I forgot about it since we are in summer weather. Is this a noise you heard in the cabin towards the passenger side? How did you fix it?
Yeah that's right, it's the blower motor, up under the dash on the passengers side I think it was ~$150CDN. Easy fix.
You can unhook the leads and back out the screws to have a look at the fan wheel first and to make sure the sound is not just debris in there that fell through from when the cabin air filter gets replaced. If it's actually the motor, then it's just an easy swap out. Not sure if this is true of all 4Runner blower motors nowadays, but mine came with a fan wheel installed on it, so it was a really quick swap.
I took it home overnight today just to get some more seat time in it, to drive it at night in the dark, and to make sure it fits in my garage.
I do like it, the only big two drawbacks for me right now is that I'd be giving up a ton of acceleration, it's painfully slow! And no factory HID's. I really don't want to give up my bi-xenons with AFS (the lights pivot around bents in the roads). Being in Colorado I spend a lot of time playing in the mountains where the power and especially the lighting on narrow mountain roads with no lights really help out. But were getting to the point where we need more room for taking a load of people plus equipment skiing and mountain biking and while I don't "offroad" the higher ground clearance and 4wd will absolutely come in handy.