Grabbed this information from another board of mine. Looks like the February motor trend has a comparison of the CTS-V, SRT-8, and new GTO. The SRT-8 had the fastest speed through the slalom
Price:
GTO: around 34 K
CTS-V: 51,295
SRT-8: 43,295
Weight:
GTO: 3765
CTS-V: 3875
SRT-8: 4190
0-60 times:
GTO 5.0
SRT-8 4.9
CTS-V 4.7
Quarter mile:
GTO 13.3 @ 107.5
SRT-8 13.2 @ 108.1
CTS-V 13.1 @ 109.8
Braking 60-0:
GTO 121 ft
SRT-8 113 ft
CTS-V 111 ft
200 ft skidpad:
GTO 0.85g
SRT-8 0.88g
CTS-V 0.90g
600 ft slalom:
GTO 63.6 mph
CTS-V 66.8 mph
SRT-8 67.3 mph