Can anyone give me a current list of premium vehicles (G)?

I feel like Hertz is confused with the Premium class and needs to get their act together. Obviously the Grand Marquis/Crown Victoria days are over and those are going to be phased out (ie the bulk of the premium fleet). The Buick regal is like driving a go-kart with the underpowered 4-cylinder - definately not a premium in my book. I've only had one Maxima and it had no sunroof/leather. The only decent G car i've ever received was an Infiniti G37 sedan out of APF (Naples, FL). I did hear word that they have a couple of Hyundai Genesis floating around here in Florida tagged as G, but they are few and far between.

Aviator