Can you tell me how much transmission fluid the 2006 Subaru Impreza can hold?

In 2006, the Subaru Impreza comes with a 2.5 liter 4-cylinder engine and either a 4-speed automatic transmission that requires 10 quarts of Mercon V ATF fluid or a 5-speed manual transmission that needs 7.4 pints of 75W-90 lubricant or Subaru-branded products. To keep the transmission running smoothly, it is recommended to flush and change the filter every 30,000-50,000 miles. Signs of transmission trouble include hesitating, slipping between gears, surging while at idle, decreased speed capability, potential locking in park, and difficulty engaging gears. These issues can be exacerbated by low fluid levels, leading to burning smells, leaks, and abnormal noises like clunking, grinding, or humming. Regular maintenance can help prolong the life of the transmission, and the average cost of servicing, including materials and labor, ranges from $177 to $200.