Interesting test result comparisons (Car & Driver) ...
CHEVY SS
PRICE AS TESTED: $47,640 (2015)
ENGINE: pushrod 16-valve V-8, aluminum block and heads, port fuel injection
Displacement: 376 cu in, 6162 cc
Power: 415 hp @ 5900 rpm
Torque: 415 lb-ft @ 4600 rpm
Wheelbase: 114.8 in
Length: 195.5 in
Width: 74.7 in
Height: 57.9 in
Curb weight: 3970 lb
MANUAL
0-60 mph: 4.6 sec
0-100 mph: 10.7 sec
0-150 mph: 31.1 sec
Rolling start, 5-60 mph: 5.3 sec
¼-mile: 13.0 sec @ 111 mph
Top speed (C/D est): 160 mph
Braking, 70-0 mph: 159 ft
Roadholding: 0.97 g
EPA city/highway: 15/21 mpg
C/D observed: 15 mpg
AUTO
0-60 mph: 4.5 sec
0-100 mph: 10.5 sec
0-150 mph: 28.6 sec
Rolling start, 5-60 mph: 5.1 sec
¼-mile: 12.9 sec @ 111 mph
Top speed (governor limited): 160 mph
Braking, 70-0 mph: 153 ft
Roadholding: 0.95 g
EPA city/highway driving: 14/21 mpg
C/D observed: 17 mpg
SHO
PRICE AS TESTED: $46,380 (2013)
ENGINE TYPE: twin-turbocharged and intercooled DOHC 24-valve V-6, aluminum block and heads, direct fuel injection
Displacement: 213 cu in, 3496 cc
Power: 365 hp @ 5500 rpm
Torque: 350 lb-ft @ 1500 rpm
TRANSMISSION: 6-speed automatic with manual shifting mode
Wheelbase: 112.9 in
Length: 202.9 in
Width: 76.2 in
Height: 60.7 in
Curb weight: 4358 lb
0-60 mph: 5.2 sec
0-100 mph: 13.0 sec
0-140 mph: 32.3 sec
Rolling Start, 5-60 mph: 5.6 sec
¼-mile: 13.8 sec @ 102 mph
Top speed (governor limited): 141 mph
Braking, 70-0 mph: 168 ft
Roadholding: 0.86 g
EPA city/highway: 17/25 mpg
C/D observed: 16 mpg