Engine Oil: lifespan, maintenance and replacement

Typical lifespan: 3,000–10,000 miles.

Maintenance schedule

• Check oil level with dipstick — Monthly
• Change oil and filter (conventional) — Every 3,000–5,000 miles
• Change oil and filter (synthetic) — Every 7,500–10,000 miles

Signs it needs replacing

• Oil appears dark brown or black
• Engine is louder than usual
• Oil change light is illuminated
• Burning oil smell inside cabin
• Exhaust smoke appears bluish

Tips

Always use the oil weight specified in your owner's manual. Synthetic oil lasts longer but costs more upfront.