Recommended Engine Oil for the Kia K9. How Much Do You Need?
We analyzed official data on Kia K9 engine oil for 2 generations and 7 modifications produced from 2014 to 2025 and figured out the optimal liquids.
The K9 Generations
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K9 RJ (2019-2025) | |||
| Engine | Capacity | Change interval | Oil type |
| K900 3.3 T-GDI (USA) | 6,9 L (service fill), 7,7 L (dry fill), Filter capacity 0,1 L | 3000 miles/ 6 months | 5W-30 |
| K900 3.3 T-GDI AWD (USA) | 6,9 L (service fill), 7,7 L (dry fill), Filter capacity 0,1 L | 3000 miles/ 6 months | 5W-30 |
K9 KH (2014-2018) | |||
| Engine | Capacity | Change interval | Oil type |
| K900 3.8 V6 (CAN) | 5,7 L (service fill), 6,5 L (dry fill), Filter capacity 0,3 L | 3750 miles/ 6 months | 5W-30 |
| K900 3.8 V6 (CAN) | 6,1 L (service fill) | 3750 miles/ 6 months | 5W-30 |
| K900 3.8 V6 (USA) | 5,7 L (service fill), 6,5 L (dry fill), Filter capacity 0,3 L | 3750 miles/ 6 months | 5W-30 |
| K900 3.8 V6 | 5,7 L (service fill), 6,5 L (dry fill), Filter capacity 0,3 L | 3750 miles/ 6 months | 5W-30 |
| K900 5.0 V8 | 7,2 L (service fill), 8,4 L (dry fill), Filter capacity 0,5 L | 3750 miles/ 6 months | 5W-30 |
