2008 CTS chassis suspension specs

[Bruce Nunnally]

Chassis/Suspension

	FE1	FE2	FE3
Configuration	RWD or AWD	RWD or AWD	RWD
Differential:	open	limited-slip	limited-slip
Front suspension:	independent SLA with monotube shock absorbers; 24 mm hollow stabilizer bar (RWD); 33 mm hollow stabilizer bar (AWD)	independent SLA with monotube shock absorbers; 29 mm hollow stabilizer bar (RWD); 33 mm hollow stabilizer bar (AWD)	independent SLA with monotube shock absorbers; 29 mm hollow stabilizer bar
Rear suspension:	independent multilink with monotube shock absorbers; 18 mm hollow stabilizer bar (RWD); 19 mm hollow stabilizer bar (AWD)	independent multilink with monotube shock absorbers; 20 mm hollow stabilizer bar (RWD); 19 mm hollow stabilizer bar (AWD)	independent multilink with monotube shock absorbers; 20 mm hollow stabilizer bar
Chassis control:	4-channel StabiliTrak w/ brake assist	4-channel StabiliTrak w/ brake assist	4-channel StabiliTrak w/ brake assist
Wheels:	17 x 8-inch alloy; five-lug	18 x 8.5-inch alloy; five-lug	18 x 8.5-inch alloy; five-lug
Tires:	P235/55R17 H-rated Michelin ALS	P235/50R18 V-rated Michelin ALS	P235/50ZR18 Y-rated Michelin high-performance
Brakes (type):	4-wheel disc; 4-channel ABS/TCS w/ DRP	4-wheel disc; 4-channel ABS/TCS w/ DRP	4-wheel disc; 4-channel ABS/TCS w/ DRP
Front rotors (mm):	315 x 32; vented	315 x 32; vented	346 x 32; vented
Rear rotors (mm):	315 x 26; vented	315 x 26; vented	340 x 26; vented
Front calipers:	aluminum, dual-piston	aluminum, dual-piston	cast iron, dual-piston
Rear calipers:	aluminum, single-piston	aluminum, single-piston	cast iron, single-piston
Steering (type):	variable assist rack-and-pinion	variable assist rack-and-pinion	variable assist rack-and-pinion
Steering ratio:	17.4:1 (RWD) 19.1:1 (AWD)	16.1:1 (RWD) 19.1:1 (AWD)	16.1:1
Steering turns, lock-to-lock:	2.8	2.8	2.8
Turn diameter (ft / m):	56.2 / 17.2 (RWD) 57.1 / 17.4 (AWD)	56.2 / 17.2 (RWD) 57.1 / 17.4 (AWD)	56.2 / 17.2 (RWD) 57.1 / 17.4 (AWD)