How much gear oil does a rear differential take in a1999 Mazda Miata?

The rear differential of a 1999 Mazda Miata typically requires about 1.2 quarts (or approximately 1.1 liters) of gear oil. It's important to use the recommended type of gear oil, which is usually a 75W-90 weight, and ensure it meets the manufacturer's specifications. Always check the owner's manual for the most accurate information and any specific requirements for your vehicle.