* 2.0L I4: This was the base engine, producing 140 horsepower and 139 lb-ft of torque.
* 2.7L V6: This optional engine was more powerful, producing 173 horsepower and 178 lb-ft of torque.
To know which engine is in a specific 2006 Tucson, you'll need to check the vehicle's identification number (VIN) or look at the engine compartment.
