"System torque" refers to the twisting or rotational force generated by a system. It is a measure of how much force can cause an object to rotate or turn within a system. Full definition
The result: an enormous total system torque of 700 Nm. (porsche.com)
In addition, the V6 engine and the electric motors work together to deliver the full system output and the maximum system torque. (greencarcongress.com)
Peak system power is stated at 121 horsepower, because hybrid math is never as simple as addition; total system torque is not stated. (cnet.com)