How often should the oil be changed in a 2005 Toyota Avalon?

For a 2005 Toyota Avalon, the oil should typically be changed every 5,000 to 7,500 miles, depending on driving conditions and the type of oil used. If using synthetic oil, you may extend the interval to about 7,500 miles. It's also advisable to check the owner's manual for specific recommendations and to monitor the oil level regularly. Regular maintenance is key to ensuring optimal engine performance and longevity.