Even if RC thinks my comment would be useless, here my opinion :
I was on the Lignières track in Switzerland, 10 km from Neuchâtel, short (1.8km) and very curvy (1 to 3. gear). The track just reopened after a few years of modernizing. It is open for club sport and testing.
On normal roads, the 997 is light years more comfortable, the torque is much better at low rev and the noise in the car is much lower. I bumped two times with the front, so the front lip had to be changed. The front lift is a must, but it is available only onto 50 km.
On the track, the 997 is much faster, easy to drive. PASM and PSM help a lot without loss of time, but....but the 996, without PSM, is much more sexy to drive when it slides around a very curvy track. The 996 with low milage costs less than half of the new 997.
I have to check the noise problem. If it can be solved, I would go for de 997 because I do not like the others to turn around me on the track , because I want to drive the car on normal roads quite often (no GT3 RS) and, last but not least, the 996 has no chance when speaking about design.
Cheers Carlos
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T4S & co gallery