Cadillac STS - 2011

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Model Lineup

 

Engine

Transmission

 

3.6L V-6 VVT DI

Hydra-Matic 6L50 6-spd

STS V-6 RWD

s

s

STS V-6 AWD

s

s

 

Key  

Standard

s

Optional

o

 

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Overview

Model:

Cadillac STS

Body style / driveline:

luxury four-door performance sedan with rear-wheel drive or all-wheel drive

Construction:

unitized welded steel body with direct-mounted front cradle and rubber-isolated, multi-link independent rear suspension assembly

Manufacturing location:

Lansing Grand River Assembly, Lansing, Mich.

Key competitors:

BMW 5 and 7-Series, Mercedes Benz E-Class, Lexus GS/LS 430, Audi A6, Jaguar S-Type

 

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Engines

 

3.6L V-6 VVT DI

Application:

std. STS V-6

Displacement (cu in / cc):

217 / 3564

Bore & stroke (in / mm):

3.70 x 3.37 / 94 x 85

Block material:

cast aluminum

Cylinder head material:

semi-permanent mold aluminum

Valvetrain:

dual-overhead camshafts, 4 valves per cylinder, continuously variable valve timing

Ignition system:

coil-on-plug with extended-life dual platinum-tipped spark plugs

Fuel delivery:

direct injection

Compression ratio:

11.3:1

Horsepower (hp / kW @ rpm):

302 / 225 @ 6300*

Torque (lb-ft / Nm @ rpm):

272 / 369 @ 5200*

Recommended fuel:

regular unleaded

Maximum engine speed:

6700

Emissions controls:

evaporative system, close-coupled catalytic converters, positive crankcase ventilation, inlet and exhaust cam phasers, electronic throttle control, feedback air-fuel-ratio control

EPA estimated fuel economy (city / hwy):

18 / 27 (RWD)
18 / 27 (AWD)

 

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Transmission

 

Hydra-Matic 6L50

Type:

six-speed electronically controlled automatic with lockup torque converter, clutch to clutch architecture, integral electro/hydraulic control module, Driver Shift Control, and performance algorithm liftfoot

Gear ratios (:1):

 

First:

4.06

Second:

2.37

Third:

1.55

Fourth:

1.15

Fifth:

0.85

Sixth:

0.67

Reverse:

3.20

Final drive ratio:

RWD: 3.42
AWD: 3.23

 

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Chassis/Suspension

 

Standard/Luxury Package

Performance Handling Package

Availability:

standard

optional

Front:

independent, short/long arm, coil-over shock, anti-roll bar

independent, short/long arm, coil-over shock, anti-roll bar

Rear:

independent, modified multi-link, coil springs, automatic load leveling shock absorbers, anti-roll bar

independent, modified multi-link, coil springs, magnetic ride control, pneumatic load leveling, anti-roll bar

Traction control system:

full-range

full-range

Stabilizer bar:
Front:


hollow, 33-mm diameter


hollow, 33-mm diameter

Rear:

RWD: hollow, 17-mm diameter
AWD: hollow, 24-mm diameter
RWD: hollow, 19-mm diameter
AWD: hollow, 24-mm diameter

Steering type:

power-assisted rack and pinion; ZF Servotronic II variable assist system available

power-assisted rack and pinion; ZF Servotronic II variable assist system available

Steering ratio:

18.2:1, variable ratio

18.2:1, variable ratio

Steering wheel turns, lock-to-lock:

3

3

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

17-inch tires: 36.9 / 11.5
18-inch tires: 38.8 / 11.8

17-inch tires: 36.9 / 11.5
18-inch tires: 38.8 / 11.8

 

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Brakes

 

Luxury / Performance Package

Performance Handling Package

Availability:

standard

optional

Type:

power-assist – vacuum with anti-lock control, traction control and StabiliTrak

Brembo 4-wheel ABS, 4-piston front and rear calipers and performance brake linings

Rotor diameter x thickness
(in / mm):

front: 11.9 x 1.3 / 303 x 32 vented disc

rear: 11.7 x 1.0 / 298 x 26 vented disc

front: 13.97 x 1.25 / 355 x 32 vented disc

rear: 14.37 x 1.10 / 365 x 28 vented disc

 

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Wheels/Tires

 

Luxury / Performance Package

Performance Handling Package

Availability:

standard

optional

Wheel size and type:

17 x 7-inch cast aluminum (std) or 18 x 8-inch 14-spoke polished aluminum alloy

17 x 7.5 / 8-inch (split size) aluminum or 18 x 8.5-inch chrome-plated aluminum alloy

Tires:

Michelin V-rated, 235/50R17 & 255/45R17 or Michelin All-Season 235/50R17

 

Michelin V-rated, 235/50R17 & 255/45R17 or Michelin W-rated, 235/50R18 & 255/45R18 or Michelin Pilot Sport, 255/45R18 summer only

 

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Dimensions

Exterior

Wheelbase (in / mm):

116.4 / 2956

Overall length (in / mm):

196.3 / 4986

Overall width (in / mm):

72.6 / 1844

Overall height (in / mm):

57.6 / 1463

Track (in / mm):

front: 61.8 / 1569
rear: 62.3 / 1581

Curb weight (lb / kg):

3.6L automatic: 3973 / 1802
3.6L automatic w/ AWD: 4125 / 1871

Weight distribution
(% front / rear):

52 / 48

Interior

Headroom (in / mm):

front: 38.7 / 983
rear: 37.9 / 962

Legroom (in / mm):

front: 42.6 / 1082
rear: 38.3 / 972

Shoulder room (in / mm):

front: 58.6 / 1488
rear: 57.4 / 1458

Hip room (in / mm):

front: 54.6 / 1387
rear: 55.6 / 1412

 

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Capacities

EPA total volume (cu ft):

116.7

EPA trunk volume (cu ft):

13.8

Trailer towing maximum
(lb / kg):

1000 / 454

Fuel tank (gal / L):

17.5 / 66.2

Engine oil (qt / L):

3.6L: 6 / 5.6

Cooling system (qt / L):

10.9 / 10.3

Seating capacity (front / rear):

2 / 3

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*SAE certified.
Note: Information shown is current at time of publication.

Cadillac Contacts

Translations

SPANISH

SIMPLIFIED CHINESE