In fact, four of the top ten are Vipers:

1 2014 SRT Viper T/A 8.4L 640/600 11.3@129.3 MPH MT 3/13
2 2013 Corvette ZR1 SC6.2L 638/604 11.4@128.8 MPH MT 12/12
3 2013 SRT Viper GTS 8.4L 640/600 11.4@128.7 MPH MT 12/12
4 2013 Shelby GT500 SC5.8L 662/631 11.6@125.7 MPH MT 5/12
5 2005 Ford GT SC5.4L 550/500 11.7@125.8 MPH R&T 11/05
6 2003 Dodge Viper SRT-10 Roadster 8.3L 500/525 11.7@123.63 MPH MT 1/04
7 2012 Corvette Z06 7.0L 505/470 11.7@122.3 MPH Edmunds 1/12
8 2000 Dodge Viper ACR 8.0L 460/490 12.1@121 MPH MW 1/00
9 2012 Camaro ZL1 SC6.2L 580/556 12.1@117.4 MPH MT 3/12
10 2011 Cadillac CTS-V Coupe SC6.2L 556/551 12.3@117.7 MPH MT 7/10

See the full list at ontariostreetcar.com