How Often Should I Change My Car Engine Oil?
Most modern cars need oil changes every 5,000-7,500 miles with conventional oil, or 7,500-15,000 miles with full synthetic. Check your owner's manual for the manufacturer's recommendation.
| Item | Frequency | Signs It Needs Attention |
|---|---|---|
| Car Engine Oil | Every 5,000–7,500 miles (conventional) or 7,500–15,000 miles (synthetic) | Oil change light or check engine light on, Oil looks dark and gritty on the dipstick |
Why This Matters
Oil lubricates your engine's moving parts, reduces friction, and carries away heat and debris. Old, degraded oil can't protect your engine properly, leading to increased wear and potentially catastrophic engine failure.
5 Signs You Need to Replace Your Car Engine Oil Now
- Oil change light or check engine light on
- Oil looks dark and gritty on the dipstick
- Engine sounds louder than usual
- Exhaust smoke is darker or excessive
- You can't remember your last oil change
Pro Tips
- 1Keep receipts or use an app to track oil changes
- 2Check your oil level monthly between changes
- 3Use the oil type specified in your owner's manual
- 4Severe driving conditions require more frequent changes
Can't remember the last time you did this?
Log it now and never wonder again.
Frequently Asked Questions
Is synthetic oil worth the extra cost?
Yes, for most drivers. Synthetic oil lasts longer, performs better in extreme temperatures, and provides superior engine protection.
Can I switch between conventional and synthetic oil?
Yes, you can switch without any problems. Many people switch to synthetic for its longer change intervals.
Related Trackers
While You're At It...
Since you're thinking about car engine oil, you might also want to check:
Stop wondering
"When did I last...?"
Loglast is the calm, guilt-free logbook that remembers so you don't have to.
Get started free