* 3.8L V6: This was the standard engine, producing 200 horsepower and 225 lb-ft of torque.
* 3.6L V6 (Supercharged): This engine was optional and offered more power, with 240 horsepower and 251 lb-ft of torque.
Please note that the exact engine in your specific 2006 LaCrosse will depend on the trim level and options selected when it was purchased. To find the exact engine in your car, you can check the vehicle identification number (VIN).
