M makeclosed New member Jul 5, 2010 #1 How many miles can I go between oil changes if I upgrade from conventional motor oil to synthetic? I drive a 2009 Hyundai Sonata with 30,000 miles.
How many miles can I go between oil changes if I upgrade from conventional motor oil to synthetic? I drive a 2009 Hyundai Sonata with 30,000 miles.