Any place that can only fit a 27' RV is probably too small for me to want to stay there anyway.
Any place that is too treacherous to drive a 28' RV is too treacherous to drive an RV.
8+ ft wide, 12' ft tall is the issue, turning radius will bite you some time, regardless of your turning radius.
Towing a car, which limits or eliminates your ability to use reverse, is the issue in gas stations.
Thinking you can use a coach that is small enough to take to run errands is nice, until you have to break camp/batten down the coach every time you want to go anywhere.
Get the one that is more comfortable to be in, then take what the drive gives you. Enjoy.
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