Originally Posted by harbor

With a large 8.5 qt sump, high quality filter & synthetic oil, X-Fires can easily go 9 -10K or a year between changes.

They are also equipped with an oil change indicator, which monitors your particular driving habits and notifies you when a change is due via "wrenches" appearing in the instrument panel gauges. All in the owners manual.

VW, Porsche & BMW are just a few of other OEM's that follow the same oil change interval.