The 2006 Cadillac CTS mainly uses a 3.6-liter V6 in the standard models, while the high-performance CTS‑V variant uses a 6.0-liter V8. Model and trim determine which engine you’ll find under the hood.
Engine options for the 2006 CTS lineup
Below are the engine configurations that were available for the 2006 CTS, covering both the base sedan and the performance-oriented V-series.
- Non-V CTS: 3.6-liter DOHC V6 with variable valve timing, roughly 255 horsepower and about 252 lb-ft of torque.
- CTS-V: 6.0-liter V8 (LS2 family), around 400 horsepower and about 395 lb-ft of torque.
These entries reflect the typical powerplants used in the 2006 CTS lineup in the United States. Exact output can vary slightly by production date and market, so checking the vehicle’s badge, VIN, or service documentation can confirm the precise specification for a given car.
Further details and verification
To verify the engine in a specific 2006 CTS, look for the engine code on the manufacturer’s badge under the hood, refer to the owner’s manual, or pull the VIN-based build sheet from Cadillac/GM resources. The CTS-V is the performance variant of the same generation and is distinguished by its larger V8 powertrain.
Summary
In summary, the 2006 Cadillac CTS standard model is powered by a 3.6-liter V6, while the performance-focused CTS-V uses a 6.0-liter V8. Exact figures can vary slightly, so confirm with the vehicle’s documentation for your specific car.