[Gt1Street]

Transmissions

Hydra-Matic 6L50 six-speed automatic (LS, LT) w/ TAPshift
Hydra-Matic 6L80 six-speed automatic (SS) w/ TAPshift
Aisin Warner AY6 six-speed manual (LS, LT)
TR6060 six-speed manual (SS)

Gear ratios (:1):

First:
4.07
4.03
4.48
3.01

Second:
2.37
2.36
2.58
2.07

Third:
1.55
1.53
1.63
1.43

Fourth:
1.16
1.15
1.19
1.00

Fifth:
0.85
0.85
1.00
0.84

Sixth:
0.67
0.67
0.75
0.57

Reverse:
3.06
3.06
3.67
3.28

Final drive ratio:
3.27
3.27
3.27
3.45


Chassis/Suspension

Front:
double-ball-joint, multi-link strut; direct-acting stabilizer bar; progressive-rate coil springs; fully adjustable camber, caster and toe

Rear:
4.5-link independent; progressive-rate coil springs over shocks; stabilizer bar; fully adjustable camber and toe

Steering type:
variable-ratio rack-and-pinion

Steering ratio:
16.1:1

Steering wheel turns, lock-to-lock:
2.5

Turning circle, curb-to-curb
(ft / m):
37.7/11.5


Brakes

Type:
four-wheel disc w/ ABS; ventilated front and rear rotors; single-piston front calipers and single-piston alloy rear calipers (LS, LT); four-piston fixed Brembo aluminum front and rear calipers (SS)

Rotor diameter, front (in / mm):
LS, LT: 12.64 / 321
SS: 14 / 355

Rotor diameter, rear (in / mm):
LS, LT: 12.4 / 315
SS: 14.4 / 365

Rotor thickness, front (in / mm):
LS, LT: 1.18 / 30
SS: 1.26 / 32

Rotor thickness, rear (in / mm):
LS, LT: 0.9 / 23
SS: 1.1 / 28