Cadillac STS 2005-2011 Specifications
Complete technical specifications and performance data for the Cadillac STS 2005-2011. Includes detailed engine specifications, dimensions, safety features, and more.
Engine Specifications
Engine
- Type
- V6 DOHC 24-valve
- Displacement
- 3.6L (3564 cc)
- Power
- 255 hp @ 6,500 rpm
- Torque
- 252 lb-ft @ 3,200 rpm
- Compression Ratio
- 10.2:1
- Redline
- 6,800 rpm
Transmission Specifications
Transmission
- Type
- 5-Speed Automatic with Driver Shift Control
- Drive System
- Rear-Wheel Drive (RWD)
- Final Drive
- 3.42:1
Dimensions Specifications
Primary Dimensions
- Length
- 196.3 inches
- Width
- 72.6 inches
- Height
- 57.6 inches
- Wheelbase
- 116.4 inches
- Ground Clearance
- 5.6 inches
- Curb Weight
- 3,925 lbs
Chassis & Suspension
- Front Suspension
- Independent short/long arm (SLA) with coil springs
- Rear Suspension
- Independent multi-link with coil springs
- Steering
- Variable power-assisted rack-and-pinion
- Front Brakes
- 12.8-inch ventilated disc
Performance & Fuel Economy
- Zero To 60
- 6.7 seconds
- Quarter Mile
- 15.2 seconds @ 94.6 mph
- Top Speed
- 155 mph electronically limited
- Combined
- 20 mpg
Safety Specifications
- Front
- Dual-stage, dual-threshold front airbags
- Side
- Front side-impact airbags
- Curtain
- Side curtain airbags with rollover sensor
- Other
- Driver's knee airbag
- Stability Control
- StabiliTrak� electronic stability control with traction control
- Brake Systems
- ABS with EBD and Brake Assist
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the main differences between the available engine options?
What are the main differences between the available engine options?
The 2005-2011 Cadillac STS offers three engine options: a 3.6L V6 producing 255 hp, a 4.6L Northstar V8 producing 320 hp, and a high-performance 4.4L Northstar V8 in the STS-V producing 469 hp. The V6 provides a balance of power and efficiency, while the V8 options deliver superior acceleration and towing capabilities.
Q2 What transmission options are available?
What transmission options are available?
The STS is equipped with either a 5-speed or 6-speed automatic transmission, depending on the engine and model year. The 6-speed automatic offers smoother shifts and improved fuel efficiency.
Q3 What are the key safety features?
What are the key safety features?
Standard safety features include anti-lock brakes, stability control, traction control, and front-seat side airbags. Optional features include adaptive cruise control, lane departure warning, and a rearview camera.
Q4 How does the fuel economy compare to competitors?
How does the fuel economy compare to competitors?
The STS V6 achieves an EPA-estimated 17 mpg city and 26 mpg highway, while the V8 models average 15 mpg city and 23 mpg highway. This is comparable to competitors like the Lexus GS and BMW 5 Series from the same era.
Q5 What are the recommended maintenance intervals?
What are the recommended maintenance intervals?
Recommended maintenance includes oil changes every 7,500 miles, tire rotation every 10,000 miles, and a comprehensive inspection every 15,000 miles. Always refer to the owner's manual for specific intervals.
Q6 What are the most notable features and options?
What are the most notable features and options?
Standard features include leather seats, dual-zone climate control, and a Bose audio system. Optional features include heated and ventilated seats, a navigation system, and a sunroof.
Q7 How does the cargo and passenger space compare to competitors?
How does the cargo and passenger space compare to competitors?
The STS offers 13.8 cubic feet of trunk space and seating for five. While this is slightly less than some competitors, the rear seats provide ample legroom for passengers.
Q8 What are the towing and payload capacities?
What are the towing and payload capacities?
The STS is not rated for towing due to its luxury sedan design. However, it offers a payload capacity of approximately 1,000 lbs.
About the Author
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Alan Montanye
Automotive Technical Writer
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