How much oil does the 2008 Jeep Grand Cherokee take?

The 2008 Jeep Grand Cherokee features several engine sizes. The 3.7 liter V6 useS5 US quarts of 5W-30 or 5W-20. The 4.7 l V8 is equipped with 6 US quarts of the same lubricants. The Grand Cherokee's two largest engines, the 5.7 l V8 and the 6.1 l V8 both need 7 quarts of lubricants. Jeep recommendS5W-20 for the 5.7 HEMiAnd 0W40 or 5W40 for the 6.1. Oil and filter changes should be scheduled every 7,500-10,000 miles or 12 months if using fully synthetic lubricants, or every 3,000-5,000 miles or 6 months, if using conventional oil. The advantages of using synthetic vs conventional products include better lubrication among moving parts, a longer interval between service appointments and enhanced effectiveness under adverse weather conditions. A motor oil with a thinner viscosity moves more easily in colder temperatures, coating engine components efficiently and providing better protection against friction and corrosion.