What type of oil should you use on a 1999 Mazda Miata?

For a 1999 Mazda Miata, it is recommended to use 10W-30 or 5W-30 motor oil, depending on the climate and driving conditions. If the vehicle is driven in very hot temperatures, a 10W-30 oil may be preferable, while 5W-30 can be suitable for colder environments. Always check the owner's manual for any specific recommendations or requirements. Additionally, consider using high-quality synthetic oil for better engine protection and performance.