Hyundai Sonata
Data verified by Nick Marchenko, PhD
Maintaining the engine oil in your Hyundai Sonata is crucial for ensuring optimal performance and longevity. The Sonata, produced from 1999 to 2023, offers a variety of engine options, including 1.6L, 2.0L, 2.4L, 2.5L, and 2.7L configurations. Depending on the engine, oil capacities range from 4.2 quarts for the 1999 G4JS (2.4L I-4) to 6.6 quarts for the 2023 G4KP (2.5L I-4). The recommended oil viscosities also vary, with options like 0W-20 for newer models and 5W-30 for older ones, ensuring that your engine runs smoothly in different conditions.
In addition to oil capacity, it's essential to consider the coolant volume, which ranges from 6.9 quarts for the G4KE (2.4L I-4) to 9.4 quarts for the G6DB (3.3L V-6). Regular oil changes, typically every 5,000 to 7,500 miles, help maintain engine health and performance. Always refer to your owner's manual for specific recommendations based on your Sonata's engine type and production year.
Hyundai Sonata Oil Capacity
| Engine | Oil Capacity | Viscosity | Coolant | Years |
|---|---|---|---|---|
| G4FJ Gamma Gamma II The G4FJ engine has a displacement of 1.6L I-4. The power output is 201 hp with a torque of 195 lb-ft. | 4.8 qt | 5W-30 | 7.5 qt | 2019, 2018, 2017, 2016, 2015 |
| G4FJ Gamma Gamma II The G4FJ engine has a displacement of 1.6L I-4. The power output is 201 hp with a torque of 195 lb-ft. | 5.1 qt | 0W-20 | 8.0 qt | 2023, 2022, 2021, 2020 |
| G4JS Sirius II 2.4L The G4JS engine has a displacement of 2.4L I-4. The power output is 130 hp with a torque of 140 lb-ft. | 4.2 qt | 5W-30 | 7.4 qt | 1999 |
| G4JS Sirius II 2.4L The G4JS engine has a displacement of 2.4L I-4. The power output is 130 hp with a torque of 140 lb-ft. | 4.5 qt | 5W-30 | 7.7 qt | 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000 |
| G4KE Theta Series 2 The G4KE engine has a displacement of 2.4L I-4. The power output is 177 hp with a torque of 170 lb-ft. | 4.5 qt | 5W-20 | 6.9 qt | 2010, 2009 |
| G4KE Theta Series 2 The G4KE engine has a displacement of 2.4L I-4. The power output is 177 hp with a torque of 170 lb-ft. | 4.8 qt | 5W-20 | 7.0 qt | 2012, 2011 |
| G4KE Theta Series 2 The G4KE engine has a displacement of 2.4L I-4. The power output is 177 hp with a torque of 170 lb-ft. | 4.8 qt | 5W-20 | 7.3 qt | 2015, 2014, 2013 |
| G4KE Theta Series 2 The G4KE engine has a displacement of 2.4L I-4. The power output is 177 hp with a torque of 170 lb-ft. | 5.1 qt | 5W-20 | 7.5 qt | 2019, 2018, 2017, 2016 |
| G4KH Theta Series 2 Turbo The G4KH engine has a displacement of 2.0L I-4. The power output is 243 hp with a torque of 260 lb-ft. | 4.9 qt | 5W-40 | 7.0 qt | 2013, 2012, 2011 |
| G4KH Theta Series 2 Turbo The G4KH engine has a displacement of 2.0L I-4. The power output is 243 hp with a torque of 260 lb-ft. | 5.1 qt | 5W-30 | 7.9 qt | 2019, 2018, 2017, 2016 |
| G4KH Theta Series 2 Turbo The G4KH engine has a displacement of 2.0L I-4. The power output is 243 hp with a torque of 260 lb-ft. | 5.3 qt | 5W-30 | 7.5 qt | 2015, 2014 |
| G4KM Smartstream G2.5 The G4KM engine has a displacement of 2.5L I-4. The power output is 177 hp with a torque of 171 lb-ft. | 5.5 qt | 5W-30 | 5.5 qt | 2023, 2022, 2021, 2020 |
| G4KP Smartstream G2.5 T The G4KP engine has a displacement of 2.5L I-4. The power output is 277 hp with a torque of 311 lb-ft. | 6.6 qt | 0W-30 | 8.6 qt | 2023, 2022, 2021, 2020 |
| G6BA Delta 2.7L The G6BA engine has a displacement of 2.7L V-6. The power output is 175 hp with a torque of 132 lb-ft. | 4.8 qt | 5W-30 | 9.1 qt | 2005, 2004, 2003, 2002 |
| G6BV Delta 2.5L The G6BV engine has a displacement of 2.5L V-6. The power output is 175 hp with a torque of 170 lb-ft. | 4.8 qt | 5W-30 | 9.0 qt | 2001, 2000, 1999 |
| G6DB Lambda MPi The G6DB engine has a displacement of 3.3L V-6. The power output is 235 hp with a torque of 228 lb-ft. | 5.5 qt | 5W-20 | 9.4 qt | 2010, 2009, 2008, 2007, 2006 |
Hyundai Sonata – Frequently Asked Questions
How many quarts of oil does the Hyundai Sonata take?
The Hyundai Sonata oil capacity varies by engine: G4FJ: 4.8 qt; G4FJ: 5.1 qt; G4JS: 4.2 qt; G4JS: 4.5 qt; G4KE: 4.5 qt; G4KE: 4.8 qt; G4KE: 4.8 qt; G4KE: 5.1 qt; G4KH: 4.9 qt; G4KH: 5.1 qt; G4KH: 5.3 qt; G4KM: 5.5 qt; G4KP: 6.6 qt; G6BA: 4.8 qt; G6BV: 4.8 qt; G6DB: 5.5 qt. Always confirm the exact capacity for your specific engine before an oil change.
What type of oil does the Hyundai Sonata use?
Oil viscosity depends on the engine: G4FJ, G4JS, G4JS, G4KH, G4KH, G4KM, G6BA, G6BV: 5W-30; G4FJ: 0W-20; G4KE, G4KE, G4KE, G4KE, G6DB: 5W-20; G4KH: 5W-40; G4KP: 0W-30. Check your owner's manual for the correct spec for your specific engine.
What is the coolant capacity of the Hyundai Sonata?
The coolant capacity for the Hyundai Sonata varies by engine: G4FJ: 7.5 qt; G4FJ: 8.0 qt; G4JS: 7.4 qt; G4JS: 7.7 qt; G4KE: 6.9 qt; G4KE: 7.0 qt; G4KE: 7.3 qt; G4KE: 7.5 qt; G4KH: 7.0 qt; G4KH: 7.9 qt; G4KH: 7.5 qt; G4KM: 5.5 qt; G4KP: 8.6 qt; G6BA: 9.1 qt; G6BV: 9.0 qt; G6DB: 9.4 qt. Use the coolant specification listed in the owner's manual for your engine variant.
What type of oil does the Hyundai Sonata use?
The Hyundai Sonata uses various types of oil depending on the engine. For example, the 2019 G4FJ (1.6L I-4) requires 5W-30, while the 2023 G4FJ (1.6L I-4) uses 0W-20.
How many quarts of oil does the Hyundai Sonata take?
Oil capacity varies by engine. The 1999 G4JS (2.4L I-4) takes 4.2 quarts, while the 2023 G4KP (2.5L I-4) requires 6.6 quarts.
How often should I change oil in a Hyundai Sonata?
It is generally recommended to change the oil every 5,000 to 7,500 miles, but you should consult your owner's manual for specific intervals based on your engine type.
What is the coolant capacity of the Hyundai Sonata?
Coolant capacity varies by engine; for instance, the 2010 G4KE (2.4L I-4) has a coolant capacity of 6.9 quarts, while the 2005 G6BA (2.7L V-6) holds 9.1 quarts.
Does the Hyundai Sonata need synthetic oil?
While synthetic oil is not mandatory, it is recommended for newer models, like the 2023 G4KP (2.5L I-4), as it provides better protection and performance.
What happens if I use the wrong oil viscosity in my Hyundai Sonata?
Using the wrong oil viscosity can lead to inadequate lubrication, resulting in increased engine wear and potential overheating. Always refer to the owner's manual for the correct viscosity.
What is an oil life monitor and how does it work?
An oil life monitor tracks the engine's operating conditions and driving habits to estimate when an oil change is needed. It typically uses algorithms based on mileage and engine temperature.
Can I mix synthetic and conventional oil?
While it is possible to mix synthetic and conventional oils, it is not recommended as it can dilute the benefits of synthetic oil. It's best to stick with one type for optimal performance.
How do I know if my Hyundai Sonata has an oil leak?
Signs of an oil leak include oil spots under the vehicle, a burning oil smell, or a drop in oil levels on the dipstick. Regularly checking your oil level can help identify leaks early.
What causes excessive oil consumption?
Excessive oil consumption can be caused by worn piston rings, valve seals, or gaskets. It may also occur due to poor oil quality or incorrect viscosity.
Should I check my oil when the engine is hot or cold?
It's best to check your oil when the engine is cold and parked on a level surface. This gives a more accurate reading of the oil level.
What is the difference between an oil change and a flush?
An oil change involves draining the old oil and replacing it with new oil, while a flush cleans the engine of sludge and contaminants, often using a special cleaning solution.