How Often Should Semi-Synthetic Oil Be Changed in a Civic?

1 Answers
JessicaLee
07/29/25 5:26pm
Semi-synthetic oil should be changed every six months or approximately every 7,500 kilometers. Regular oil changes ensure the vehicle operates within normal parameters while delivering optimal performance. Semi-synthetic oil is produced from semi-synthetic base oil, refined from mineral oil through hydrocracking technology. It consists of a 4:6 ratio blend of mineral oil and full synthetic oil, serving as an ideal transitional product between mineral and synthetic oils. The exact oil change interval may vary depending on factors like city, environment, and driving habits. If your city has high dust levels, extremely low temperatures (below -20°C), or if the car is primarily used for short trips (under 8 km per drive), it's advisable to shorten the interval to 5,000 kilometers or every nine months. Keep track of your oil change intervals and observe the driving experience after each change. If the car feels smoother and quieter after an oil change, it indicates the previous interval was too long, and you should shorten the next interval. After a few adjustments, you'll find the optimal oil change schedule for your vehicle.
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