Fluid · Coolant
Coolant
for 2020 Kia Optima 1.6L Turbo I4 · FWD
Fluid Type
Ethylene glycol long-life coolant (green)
Spec: MS-591 (Kia Long Life Coolant)
Capacity
7qt
6.62 L
Drain & Refill
6.5 qt
6.15 L
Change Interval
100,000 mi
160,900 km
Data quality
Book-style estimate
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Notes
First change at 120k miles or 10 years, then every 30k miles or 2 years.