The 2011 Porsche 911 (Type 997) GT3 RS comes with a 3.8l 450hp flat 6. It is based off of the GT1 block that originate from the 1998 Porsche 911 GT1.
4.7 seconds
The 911 GT1 was the fastest. However, it wasn't a "true" 911, the only thing it really shared with other models was the name. Considering that, the fastest proper production 911 is the GT2 RS.
Porsche 911 starts from....$85,400 to........$172,100
One can purchase miniatures of Porsche GT1 from Voiture-Miniature, RACcars. These miniatures are also available from Amazon UK and Become UK websites.
over 370 kmph
The 2014 Porsche 911's engine produces 287 ft-lbs. @ 5600 rpm.
The 2010 Porsche 911's engine produces 288 ft-lbs. @ 4400 rpm.
The 2013 Porsche 911's engine produces 287 ft-lbs. @ 5600 rpm.
The 2002 Porsche 911's engine produces 273 ft-lbs. @ 4250 rpm.
The 2001 Porsche 911's engine produces 258 ft-lbs. @ 4600 rpm.
The 2004 Porsche 911's engine produces 273 ft-lbs. @ 4250 rpm.