I do miss qualifying, was a fun part of GT4.
Actually here's the full history
GT1--Qualifying was a part of
all GT1 races if I remember correct. And qualifying was real-time, not the pansy practice/qualifying of later games. You either made pole position or you didn't. Something about this cut-throat approach really made the first game feel edgier than later GTs...
GT2--qualifying dropped. You're in 6th place everytime at the start.
GT3--qualifying brought back, but it's actually practice/qualifying. The driver merely has to drive as long as he/she wants until attaining pole. But at least GT3 gave you an idea of what competition you'd face, how you compare to them.
GT4--qualifying/practice used only for season races (races done in a series like GT All Stars), otherwise it was like GT2: the driver starts in 6th every time. The interesting thing is that in GT4, the Ai often drove harder during the race than they did during qualifying, so setting up your car for the way you
thought they'd be driving wasn't always reliable.
GT5--qualifying gone again.

But who knows...it could come back via DLC somehow.