With a gasoline engine, an engine that has a larger bore is considered to be a "torquey" engine.
Electric motors are rated in watts and volts. Does more watts mean the motor has more torque? more volts=more torque? How does a change in either one of these affect the characteristics and performance of the motor? the efficiency?
To further explain my question, what is the difference between a 250 watt motor at 48 volts and a 350 watt motor at 36 volts?