Originally Posted by
AutoSlash
We believe this is the case, but we've never been able to find anywhere where it is definitively written. As per our writeup
here you do need to book an ICAR or above to use the normal Gold Choice row, and Ultimate Choice is sort of an extension of Gold Choice, so it would seem to follow.
Just checked with Hertz, and they're saying that it's a midsize or above for a PC or 5* to use the PC or 5* Ultimate Choice area. So, basically the same as National's Emerald Aisle.