Passage: Typical modern wind turbines have diameters of 40 to 90 metres (130 to 300 ft) and are rated between 500 kW and 2 MW. As of 2014 the most powerful turbine, the Vestas V-164, is rated at 8 MW and has a rotor diameter of 164m.

Question: Based on this passage, what is the size of a wind turbine?
Steam of consciousness below:
The relevant information is: Typical modern wind turbines have diameters of 40 to 90 metres (130 to 300 ft) and are rated between 500 kW and 2 MW.
So, the answer is diameters of 40 to 90 metres ( 130 to 300 ft ).