Yaris - do you find it comfortable on long trips?

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I'd just like to get some opinions. If I decide on the Yaris I want to make sure the seats can keep my butt from going numb on 14+ hour drives. I'm 6'2" and 235lbs by the way. The Yaris will be replacing my long distance cruiser ('99 Taurus) which has served me well, but is starting to nickel and dime me in repairs.

I'd also like to add on if anyone has any other complaints, such as poor ride quality on OE tires; the 12V socket can't have more than two things plugged into it before the fuse blows (cell phone charger/GPS as example); or anything else you can think of! I do a few Florida runs each year (2800miles round trip) and am bad for driving 14+ hours at a time (BTW, I used to drive transport so it's nothing for me to drive that).

I appreciate any input you can give.