Research 2011 Cadillac STS specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

RWD w/1SA 3.6L V6 RWD


Disc - Front (Yes or ) Yes
Rear Brake Rotor Diam x Thickness (in) 11.7 x 1.0
Front Brake Rotor Diam x Thickness (in) 11.9 x 1.3
Brake ABS System 4-wheel
Disc - Rear (Yes or ) Yes
Brake Type Pwr
Rear Drum Diam x Width (in)
Drum - Rear (Yes or )

Cargo Area Dimensions

Trunk Volume (ft³) 13.8

Cooling System

Total Cooling System Capacity (qts) 10.9


Maximum Alternator Capacity (amps) - TBD -
Cold Cranking Amps @ 0° F (Primary) - TBD -


EPA Greenhouse Gas Score 4
EPA Greenhouse Gas Score 5
Tons/yr of CO2 Emissions @ 15K mi/year 8.9


Engine Order Code LLT
Engine Type Gas V6
Displacement 3.6L/220
Fuel System DI
SAE Net Horsepower @ RPM 302 @ 6300
SAE Net Torque @ RPM 272 @ 5200

Exterior Dimensions

Min Ground Clearance (in) - TBD -
Track Width, Rear (in) 62.3
Width, Max w/o mirrors (in) 72.6
Length, Overall (in) 196.7
Wheelbase (in) 116.4
Liftover Height (in) - TBD -
Height, Overall (in) 57.6
Track Width, Front (in) 61.8

Fuel Tank

Fuel Tank Capacity, Approx (gal) 17

Interior Dimensions

Front Leg Room (in) 42.6
Passenger Capacity 5
Passenger Volume (ft³) 102.9
Second Hip Room (in) 55.6
Second Shoulder Room (in) 57.4
Second Leg Room (in) 38.3
Second Head Room (in) 37.9
Front Hip Room (in) 54.6
Front Shoulder Room (in) 58.6
Front Head Room (in) 38.7


EPA Fuel Economy Est - City (MPG) 18
Fuel Economy Est-Combined (MPG) 21
EPA Fuel Economy Est - Hwy (MPG) 27


Turning Diameter - Curb to Curb (ft) 36.9
Steering Ratio (:1), Overall 18.2
Lock to Lock Turns (Steering) 3.0
Steering Type Pwr rack & pinion
Turning Diameter - Wall to Wall (ft) - TBD -


Vehicle Name Cadillac STS
Body Style 4 Door Sedan


Shock Absorber Diameter - Rear (mm) - TBD -
Suspension Type - Front Independent
Suspension Type - Rear Independent
Suspension Type - Front (Cont.)
Suspension Type - Rear (Cont.)
Shock Absorber Diameter - Front (mm) - TBD -
Stabilizer Bar Diameter - Rear (in) 0.67
Stabilizer Bar Diameter - Rear (in) 0.94
Stabilizer Bar Diameter - Front (in) 1.3


Rear Tire Size P235/50SR17
Spare Tire Size Compact
Spare Tire Size
Front Tire Order Code QKP
Spare Tire Order Code SGC
Front Tire Size P235/50SR17
Front Tire Size P235/50VR17
Rear Tire Size P235/50VR17
Front Tire Order Code QKS
Rear Tire Order Code QKP
Rear Tire Order Code QKS
Spare Tire Order Code ZAA


Dead Weight Hitch - Max Trailer Wt. (lbs) 1000
Dead Weight Hitch - Max Tongue Wt. (lbs) 100
Wt Distributing Hitch - Max Trailer Wt. (lbs)
Wt Distributing Hitch - Max Tongue Wt. (lbs)


Drivetrain Rear Wheel Drive
Clutch Size (in)
Reverse Ratio (:1) 3.20
Sixth Gear Ratio (:1) 0.67
Fifth Gear Ratio (:1) 0.85
Fourth Gear Ratio (:1) 1.16
Third Gear Ratio (:1) 1.55
Second Gear Ratio (:1) 2.37
First Gear Ratio (:1) 4.06
Trans Description Cont. Again
Trans Description Cont. Automatic
Trans Type 6
Trans Order Code MX0
Trans Order Code MX7
Final Drive Axle Ratio (:1) 3.23


EPA Classification Mid-Size

Weight Information

Base Curb Weight (lbs) 3973
Base Curb Weight (lbs) 4125


Front Wheel Material Aluminum
Spare Wheel Size (in)
Rear Wheel Size (in) 18 x 8
Front Wheel Size (in) 17 x 7.5
Front Wheel Size (in) 18 x 8
Spare Wheel Size (in) Compact
Spare Wheel Material
Rear Wheel Size (in) 17 x 7.5
Spare Wheel Material - TBD -
Rear Wheel Material Aluminum