The 2012 kia optima 2.4 liter 4cylinder engine is equipped with 4.90 us quarts of 5w-20 for optimal performance or alternatively, 5w-30. 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. cost for a lube and filter job ranges between $ 113-$ 125 in parts and labor.
The 2012 kia optima oil capacity is 4.9 quarts (4.6 liters). the approved engine oil for the 2012 kia optima 2.4l is the sae 5w-20 oil grade and the 2.0l is the 5w-30 or 5w-40 oil grade.
Sae 5w-20
Regular or synthetic
Stanley phasha