2005 Cadillac STS
US · Midsize Cars
The 2005 Cadillac STS is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 3.6L 6-cylinder, 4.6L 8-cylinder
- Power
- Not available
- Torque
- Not available
- Transmission
- 5-speed automatic
- Drivetrain
- Varies by configuration: RWD, AWD
- Fuel
- Gasoline
- Seating
- Not available
Key Performance & Dimensions
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 3.6L 6-cylinder, 4.6L 8-cylinder | |
| Displacement | 3.6 L to 4.6 L | |
| Cylinders | 6 to 8 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Not available from our sources: Aspiration, Power, Torque.
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 5 | |
| Drivetrain | Varies by configuration: RWD, AWD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 18 mpg (13.1 L/100 km) to 17 mpg (13.8 L/100 km) | EPA fueleconomy.gov |
| City | 16 mpg (14.7 L/100 km) to 14 mpg (16.8 L/100 km) | |
| Highway | 23 mpg (10.2 L/100 km) to 21 mpg (11.2 L/100 km) |
Not available from our sources: Electric range, Battery capacity.
Trims and configurations
3 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 3 recall campaigns for this model year. Last checked October 17, 2026.
07V589000: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL
ON CERTAIN PASSENGER VEHICLES, THE REAR AXLE PINION SEAL DOES NOT MEET ALL OF THE SPECIFICATIONS AND MAY EXPERIENCE A FLUID LEAK.
Remedy: DEALERS WILL REPLACE THE PINION SEAL FREE OF CHARGE. THE RECALL BEGAN ON FEBRUARY 1, 2008. OWNERS MAY CONTACT CADILLAC AT 1-800-458-8006 OR HTTP://WWW.CADILLAC.COM; PONTIAC AT 1-800-620-7668 OR HTTP://WWW.PONTIAC.COM; AND SATURN AT…
Reported December 20, 2007. View on NHTSA
06V125000: SUSPENSION:REAR
CERTAIN VEHICLES HAVE A LEFT OR RIGHT REAR SUSPENSION TOE LINK THAT COULD SEPARATE BECAUSE OF AN INCORRECT WELD.
Remedy: DEALERS WILL INSPECT THE RIGHT AND LEFT TOE LINK AND REPLACE AS REQUIRED. IF A TOE LINK IS REPLACED, THE DEALER WILL PERFORM A WHEEL ALIGNMENT. THE RECALL BEGAN ON MAY 3, 2006. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339.
Reported April 20, 2006. View on NHTSA
06V020000: FUEL SYSTEM, GASOLINE:DELIVERY
CERTAIN VEHICLES EQUIPPED WITH V6 ENGINES MAY HAVE A CONDITION WHERE FUEL IS NO LONGER SUPPLIED TO THE ENGINE. THIS CONDITION OCCURS WITHOUT THE ILLUMINATION OF THE FUEL LEVEL LOW INDICATOR LIGHT OR THE WARNING CHIME.
Remedy: DEALERS WILL REPROGRAM THE ELECTRONIC CONTROL MODULE (ECM) WITH NEW SOFTWARE FREE OF CHARGE. OWNERS WERE NOTIFIED IN DECEMBER 2005 AND ASKED TO MAINTAIN AT LEAST 1/4 OF A TANK FUEL LEVEL TO AVOID THIS CONDITION UNTIL THE PARTS ARE…
Reported January 25, 2006. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved October 17, 2026 · US Government public data
- NHTSA vPIC · retrieved October 17, 2026 · US Government public data
Source checked: October 17, 2026
Data verified: October 17, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 2006 Cadillac STS
Gasoline
Varies by configuration: 3.6L 6-cylinder, 4.6L 8-cylinder · Varies by configuration: RWD, AWD
19 mpg (12.4 L/100 km) to 17 mpg (13.8 L/100 km)
Frequently asked questions
What engine does the 2005 Cadillac STS have?
Varies by configuration: 3.6L 6-cylinder, 4.6L 8-cylinder. Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2005 Cadillac STS?
Combined fuel economy is 18 mpg (13.1 L/100 km) to 17 mpg (13.8 L/100 km), as published by the source shown in the specification table.
Is the 2005 Cadillac STS front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: RWD, AWD.
Are there recalls for the 2005 Cadillac STS?
NHTSA lists 3 recall campaigns for this model year (last checked October 17, 2026). Details are in the Recalls section.