[Dj Dirk]

348 tb: 2894 units produced
348 ts: 4228 " "
348 Spider : 1090 " "

I have a buyers guide of the 348, but i'll have to reread it.

Of the challenge, i'm not sure if i have the specs of the car, i'll have to look for it

 

[Dj Dirk]

over here you can buy a 348 tb for 24790 €.
a spyder is about 6190 € more.
I haven't seen a challenge for sale yet