The amount of oil a 2016 Kia Optima needs depends on the engine. The 2.4-liter engine requires about 5.3 quarts with a filter, while the 2.0-liter turbo uses roughly 5.1 to 5.3 quarts with a filter. Always confirm the exact figure for your specific configuration in the owner’s manual or on the oil cap.
Engine options and official capacity
Two engines were offered in the 2016 Optima, and each has its own oil capacity specification. The figures below are commonly cited for maintenance planning.
- 2.4L I4 GDI: approximately 5.3 quarts of engine oil with a filter
- 2.0L Turbo I4 GDI: approximately 5.1–5.3 quarts of engine oil with a filter
Note: Capacity is listed for a fresh drain and new filter. Real-world numbers can vary slightly based on trim, filter type, and accessories. Always refer to the official manual for the definitive specification.
How to check and add oil safely
To protect the engine and ensure accurate readings, follow the recommended procedure for checking oil level and adding oil if needed. This helps prevent overfill or low-oil scenarios between changes.
- Park on level ground and turn off the engine. Allow the oil to settle for about 5–10 minutes, or check after the engine has cooled, as advised in your manual.
- Open the hood and locate the oil dipstick. Pull it out, wipe it clean with a rag, then reinsert it fully.
- Remove the dipstick again and read the oil level against the marks. The level should be between the low and full indicators.
- If the level is low, add oil in small increments (about 0.5 quart at a time), then recheck and repeat until within the recommended range.
- Use the oil viscosity recommended for your engine and climate (commonly 5W-20 for many 2016 Kia engines; verify with the owner’s manual). After adding, replace the dipstick and securely cap the oil filler.
Regular oil checks help maintain proper lubrication and engine longevity between changes.
Tips and reminders
For accuracy and optimal performance, always use the correct oil type and follow the change intervals outlined by Kia. Using the wrong viscosity or insufficient oil can accelerate engine wear.
Summary
The 2016 Kia Optima uses about 5.3 quarts of oil with a filter for the 2.4L engine and approximately 5.1–5.3 quarts for the 2.0L turbo. Verify the exact capacity for your vehicle in the owner’s manual or on the oil cap, and follow proper checking and maintenance procedures to keep the engine properly lubricated.


