Generally, the clutch pedal in your car is responsible for linking the wheels to the motor. By taking the help of the clutch pedal, the engine is creating the rotation energy and getting it to transfer to the wheels for its smooth movement. If the clutch pedal is found to be stiff, then the power can't transfer to the wheel properly. The following slide defines the reasons behind the stiff clutch pedal issues in your Porsche 911 Turbo S.