Indeed. I think the damage is believable in the sense of what they could achieve. But to only have 170 cockpits in the view of other games and the general gaming scene currently? The world's gaming media would rip them a new one.
I agree with angelacaine and dravonic here, their translations are well supported, match what Kaz has said publicly, match what we've shown at Gamescom, and match what I expect PD would have been capable of in the timeframe they've had. And it's not 5 years, they poured a lot of man hours into GT-PSP.
This inconsistency between standard and premium models irks me. It suggests to me Polyphony should perhaps have done what they did between gt2 and gt3 and dropped the car count to maintain quality and consistency. You can't keep increasing car count forever, because each time you add another car you have to update it for each subsequent game.