Gas (including HEMI and SRT/Trackhawk variants)
Gas Jeep Grand Cherokee models span everything from early 4.0 and 5.2/5.9 V8s to later 3.6 V6, 5.7 HEMI, SRT 6.4, and the 6.2 Trackhawk, so service needs can differ by engine and model year. Oil and filter change intervals vary widely in the published schedules, and may be shorter under towing, off-road use, or frequent short trips. Alongside routine fluids and filters, pay attention to spark plugs and ignition components where fitted, and keep an eye out for oil seepage and cooling-system condition as mileage climbs. If your Grand Cherokee is driven hard or used for heavy hauling, it is sensible to treat the shorter interval shown for your selected engine as the baseline.