Both Porsches run low 12s @ 116mph +/- stock; basically identical times and trap speeds.

Specs (stock):
* '01 911 turbo - 415hp/415tq - AWD - 3395 lbs
* '04 GT3 - 381hp/280tq - RWD - 3048 lbs

Mods:
* turbo - exhaust (add in heavy, 19" wheels that hurt acceleration)
* gt3 - intake

Direct link:
http://x500.putfile.com/videos/27519012024.wmv - 7.6MB

Putfile page link if the above does not work:
Click here - turbo vs gt3