Specifications Comparison: 2006 Kia Optima/K5 vs 2017 Kia Optima/K5

Oil Capacity

Engine	Oil Capacity (Quarts)	Oil Capacity (Liters)	Viscosity
2.4L 4 Cyl. 2359cc	4.5 Qts.	4.3 L	5W-20, 5W-30
2.4L 4 Cyl. DOHC	4.4 Qts.	4.2 L	5W-20, 5W-30
2.7L 6 Cyl. 2656cc	5.1 Qts.	4.8 L	5W-20, 5W-30
2.7L 6 Cyl. DOHC	5.1 Qts.	4.8 L	5W-20, 5W-30

Engine	Oil Capacity (Quarts)	Oil Capacity (Liters)	Viscosity
1.6L 4 Cyl. Turbo	4.8 Qts.	4.5 L	5W-30, 5W-40
2.0L 4 Cyl.	4.3 Qts.	4.1 L	5W-20, 5W-30
2.0L 4 Cyl. Turbo	5.1 Qts.	4.8 L	5W-30, 5W-40
2.4L 4 Cyl.	5.1 Qts.	4.8 L	5W-20, 5W-30