Oil Change Frequency
Old advice = wrong. Save time + money.
Modern car reality
- Old advice: every 3,000 miles.
- Modern cars: 5,000-10,000 miles.
- Synthetic oil: 7,500-15,000 miles.
- Check OWNER'S MANUAL.
- Most quick lube places try to upsell.
- Don't over-change — wastes money.
Where to go
- Dealer — most expensive but full service.
- Trusted independent — best value.
- Quick lube (Jiffy, Valvoline) — convenient, watch upsells.
- Costco — basic + cheap.
- Walmart — cheapest, slow.
- Build relationship with mechanic.
Beware upsells
- "Engine flush" — usually unnecessary.
- "Transmission flush" — only per manufacturer schedule.
- "Coolant flush" — usually only every 100K miles.
- "Air filter" — usually fine for 30K miles.
- Cabin air filter — every 1-2 years OK.
- Take photo of dashboard mileage before/after.
Senior tip: keep records
- Notebook in glove box.
- Date + mileage + service.
- Or app: Drivvo, MileIQ.
- Helps when selling car.
- Catches scams.
- Reminds when due.
Modern cars
Most 2010+ cars have oil life monitor on dashboard. Trust it. Says "15% remaining" — schedule change. Use synthetic if newer car. Saves money + time vs over-changing.