The car analogy comes from a calculation for a small single engine airplane or light sport aircraft in the $50,000 range. Using an aircraft loan calculator such as this one from AOPA, we find that you can expect to pay around $400 per month for a 20-year loan with 6.5 percent interest.
Overall, red onions contain a higher amount of antioxidant compounds. They are higher in total flavonoids than white onions and yellow onions are considered to be in the middle. Red onions contain 415 to 1917 mg of flavonols compared to yellow ones, which only contain 270 to 1187 mg.
These differences make onions very versatile. Bulb onions can be yellow, red, or white. Approximately 87 percent of the crop is devoted to yellow onion production, with about eight percent red onions, and five percent white onions. Yellow Onions are full-flavored and are a reliable standby for cooking almost anything.