Question: does 2018 jeep grand cherokee require synthetic oil?
Answer: 2 Answers. The 2018 Jeep Cherokees with a 4 cylinder engine are the Latitude, the Latitude Plus, the Limited, the Overland and the Trailhawk 4WD. These 2.4 liter engine models use 0w-20 synthetic oil only, regardless of some having different drivetrain options. The larger trim, the Outlander, has a 3.2 liter engine.