How often should you change your oil?
Change your oil at the interval in your owner’s manual, or when your car’s oil life monitor says so. For many newer cars that is far more than 3,000 miles: Toyota’s 2025 Corolla calls for new oil every 10,000 miles or 12 months, and GM and Honda let the car work out the interval, with a limit of 1 year. Hard driving, such as towing or dusty roads, can call for a shorter interval.
On this page (9 sections)
The short answer
| Car | Normal driving | Hard driving |
|---|---|---|
| Toyota 2025 Corolla | When the maintenance reminder appears, and at least every 10,000 miles or 12 months | Every 5,000 miles or 6 months if you drive mainly on dirt or dusty roads |
| Chevrolet 2019 Equinox | When the oil life system says so, and at least once a year | The oil life system shortens the interval on its own |
| Honda 2022 Pilot | When the Maintenance Minder says so; every year if no reminder appears in 12 months | The Maintenance Minder shortens the interval on its own |
From each maker’s maintenance guide or owner’s manual, checked November 12, 2026. Your car may differ. Check your owner’s manual.
Oil type, capacity, and interval by year for popular models: Toyota Camry, Honda CR-V, Ford F-150, Nissan Rogue, and Chevrolet Equinox; every make is on maintenance by car make. To turn your interval into a date and an odometer reading, use the next oil change calculator.
Why not every 3,000 miles?
The 3,000-mile oil change is an old habit, not a rule for modern cars. CalRecycle, California’s recycling agency, says the 3,000-mile standard is out of date for most cars, and that many cars can go 5,000, 7,500, 10,000, or even 15,000 miles between changes. AAA lists the 3,000-mile oil change as a car-care myth: today’s oils have additives that make them last longer, so AAA says cars 15 years old or newer usually call for changes every 5,000 to 7,500 miles, and up to 15,000 miles with full synthetic oil. AAA’s advice: follow the maker’s schedule.
Changing oil early won’t hurt the engine, but it costs money and creates more used oil. Changing it late can. If your manual gives a 3,000- or 5,000-mile interval for severe driving and that describes how you drive, follow it.
Oil change: time or mileage?
Both, whichever comes first. Oil ages even when the car sits, so most schedules have a time limit as well as a mileage limit:
- Toyota’s 2025 Corolla: replace the oil and filter after 12 months, even if the reminder hasn’t come on.
- Chevrolet’s 2019 Equinox: change the oil and filter at least once a year, even if the oil life system shows oil life left.
- Honda’s 2022 Pilot: if the reminder doesn’t come on within 12 months, change the oil every year.
If you don’t drive much, the time limit will come first. A car that goes 4,000 miles a year on a 10,000-mile, 12-month schedule still needs an oil change every year.
How often to change synthetic oil
Use the interval in your manual, whatever oil you use. Synthetic oil does hold up better: in AAA’s 2017 tests, synthetic oils did about 47% better than conventional oils on average across eight industry tests. But the interval belongs to the car, not the bottle.
- If your car requires synthetic (many newer cars call for 0W-20 or 0W-16 synthetic), the manual interval already assumes it.
- If you switch an older car to synthetic, keep the manual’s interval unless the maker says otherwise. Better oil is not a reason to stretch a schedule the maker wrote for your engine.
- Extended-life oils are sold for longer intervals. Mobil 1 Extended Performance, for example, is rated by its maker for up to 20,000 miles or 1 year. That is the oil maker’s claim. Your car’s warranty follows the carmaker’s schedule.
Synthetic blend oil sits between conventional and full synthetic. Use the interval in your manual for it too.
What oil life percentage means
Oil life is an estimate the car makes from how you drive: engine speed, temperature, trips, and time. No sensor measures the oil itself. 100% means fresh oil; 0% means it is time for a change. Honda’s system, for example, shows:
| Display | What it means |
|---|---|
| 15% (Maintenance Due Soon) | Oil life is 15% to 6%. Plan the service soon. |
| 5% (Maintenance Due Now) | Oil life is 5% to 1%. Service as soon as possible. |
| Negative miles (Past Due) | Oil life has run out. Service right away. |
At 40% or 30% there is nothing to do yet except check the oil level. What to do at low percentages, and how far you can go past due, is on how long you can go past an oil change. After the oil change, the monitor must be reset: see how to reset the oil light.
Check the oil level between changes
An engine can use oil between changes, so check the level too. GM’s 2019 Equinox manual says to check it at each fuel stop. To check:
- Park on level ground. Turn off the engine and wait. GM says 2 hours gives the most accurate reading, or at least 15 minutes for a warm engine.
- Pull the dipstick, wipe it clean, push it all the way back in, and pull it out again.
- Read the level. It should be between the two marks. If it is near or below the low mark, add the oil type your manual lists, a little at a time.
If your car has no dipstick, your manual explains how to check the level on the dashboard.
Signs you need an oil change
- The reminder or oil life message is on, or the oil life is near 0%.
- You have passed the miles or the date on the sticker or in your log.
- The oil level is low on the dipstick or the dashboard.
- The oil pressure warning light comes on. This is not a reminder. GM says it means oil is not flowing through the engine properly. Stop as soon as it is safe, check the level, and get help.
FAQ
Is it OK to change oil every 5,000 miles?
Yes, if your manual’s interval is 5,000 miles or more. Changing earlier than needed doesn’t harm the engine; it only costs more. If your manual allows 10,000 miles, you can follow that instead.
How long does synthetic oil last?
As long as your car’s schedule says. Many newer cars that require synthetic oil call for changes every 10,000 miles or 12 months, or when the oil life monitor says so. Don’t go past the time limit, even with low miles.
How many months between oil changes?
Most schedules set a limit of 6 or 12 months. Toyota, GM, and Honda all say at least once a year for the cars above, and Toyota says every 6 months on mostly dusty roads.
How often should I change oil if I don’t drive much?
At the time limit in your manual, usually once a year. Oil ages with time. If most of your driving is short trips in freezing weather, check whether your manual has a shorter interval for that: Toyota lists repeated trips under 5 miles below 32°F as a special operating condition.
Is conventional oil changed more often than synthetic?
Not by a set rule. The interval comes from your car’s manual. If the manual allows either oil and gives one interval, use that interval with either one. If it gives a separate interval for each, follow the one for the oil you use.
Sources
- CalRecycle, Check your number: oil change intervals (checked November 12, 2026): calrecycle.ca.gov
- AAA, Debunking common myths about car maintenance (checked November 12, 2026): aaa.com
- AAA Newsroom, AAA spills the truth on oil changes, June 6, 2017 (synthetic vs conventional tests): newsroom.aaa.com
- Toyota, 2025 Corolla Warranty & Maintenance Guide (oil intervals, special operating conditions) (checked November 12, 2026): toyota.com
- Chevrolet, 2019 Equinox owner’s manual (engine oil life system, checking oil, oil pressure light) (checked November 12, 2026): chevrolet.com
- Honda, 2022 Pilot Maintenance Minder system (oil life levels, yearly oil change) (checked November 12, 2026): owners.honda.com
- Mobil, Mobil 1 Extended Performance FAQs (20,000 miles or 1 year) (checked November 12, 2026): mobil.com