Yea, You need use pad to do that, if Your pad don't work in gt5 just go to settings menu of Your ps3 and there u can assign number to Your controler, pick up 1st (cuz it will be prolly as a 2nd)
Yeah there are 2 version but the power is the same i think, just did few laps and 1:13,005 guess some allien person will do low 1:12 ;p
BTW: I hate how the rain looks, i dunno in trailers it was looking great so dunno what's going on :| And it's me or pop-up headlights animation lacking FPS? ;P