I recommend for new cars, that you follow your vehicle manual
directives to determine which oil is best for your vehicle; in most
cases you must follow the directives to keep your warranty valid.
in most cases Synthetic Oil is more expensive than the traditional
all-season oils, but it burns more efficiently. Basically this means
instead of the traditional 3,000 mile or every three months schedule,
you can stretch this time frame a little longer to 4,000 miles or every
〉 Answered on Aug 15th, 2006 by Gayle Clark, Owner at Motor City Sales & Services