Contents
1. Engine Options & Recommended Oil
| Engine | Oil Type | Capacity (with filter) | API Standard | Notes |
|---|---|---|---|---|
| 2.4L GDI (Theta II) | 5W-20 or 5W-30 (Full Synthetic Preferred) | 5.1 quarts (4.8L) | SN/SP | Most common engine option |
| 2.0L Turbo | 5W-30 (Full Synthetic Required) | 5.7 quarts (5.4L) | SN Plus/SP | Turbocharged models require full synthetic |
2. Service Intervals
- Normal Driving Conditions: Every 7,500 miles or 12 months (whichever comes first)
- Severe Driving Conditions: Every 3,750 miles or 6 months (whichever comes first)
Severe conditions include: frequent short trips, extreme temperatures, towing, or dusty conditions.
3. Climate Considerations
- Cold Climates (below 0°F/-18°C): 0W-20 or 0W-30 may be used for easier cold starts
- Hot Climates (consistently above 100°F/38°C): Stick with 5W-30 for better high-temperature protection
- Always consult your owner’s manual for climate-specific recommendations
4. Recommended Oil Brands
- Mobil 1 Extended Performance
- Pennzoil Platinum Full Synthetic
- Castrol EDGE Full Synthetic
- Valvoline Advanced Full Synthetic
- Hyundai Genuine Oil (available at dealerships)
All recommended brands must meet API SN, SN Plus, or SP specifications.
5. Professional Tips & Safety
Oil Change Best Practices
- Check oil level 5-10 minutes after shutting off the engine on level ground
- Always replace the oil filter with each oil change
- Use a new crush washer for the drain plug
- Reset the maintenance reminder system after each oil change
- Keep records of all oil changes for warranty purposes
Troubleshooting Tips
- Oil consumption: Some 2.4L GDI engines may consume oil – check level regularly
- Oil leaks: Common areas include valve cover gasket and oil pan
- Oil pressure warning: Stop engine immediately and check oil level
6. Additional Notes
- Always refer to your specific owner’s manual for the most accurate information
- Using the wrong oil viscosity may affect warranty coverage
- Consider Hyundai’s Blue Link service for maintenance reminders if equipped
Final Verification: This information should be cross-checked with the 2013 Hyundai Sonata Owner’s Manual for your specific vehicle configuration.
