Hi all, I am the owner of my sister’s 2018 Honda Civic. It is due for an oil change. The owner’s manual recommends Honda Genuine Oil, 0W20 detergent grade with API Certification. The manual says that “synthetic can also be used” provided it is the correct grade and API Certified.
Synthetic oil of the correct weight was used for the last oil change. Since synthetic oil is more expensive, it will help to know if it is also cost-effective. I need to keep costs down while maintaining the car properly to extend its life. Questions:
Can the synthetic oil go longer between changes?
Does the 6 month rule for frequency of oil changes apply apply to synthetic oil when driving under stress conditions? I will be mostly driving it on short trips in town in the Texas heat, with infrequent long trips.
If the oil needs to be changed every 6 months, is there a problem switching from synthetic back to regular oil?
Is synthetic better for the car in the long run?
Thank you for sharing your expertise!