/maintenance-schedule
Car maintenance schedule by mileage: what to do at 30k, 60k, 90k and 120k
Short answer: follow the schedule in your owner's manual first — it beats every generic chart online. If you do not have it, the intervals below cover what almost every gasoline car needs, in the order that matters. Prices are typical U.S. independent shop ranges in 2026; dealerships usually charge 20–40% more.
This is general guidance, not a diagnosis. Intervals assume normal driving. Short
trips, towing, dust, and extreme heat or cold put you on the "severe" schedule,
which is often 30–50% sooner.
The 30,000-mile service
The first real service stop. Most of it is fluid and filters.
| Job | Why it matters | Typical cost |
|---|---|---|
| Tire rotation | Evens out wear; cheap insurance for a $600 set | $20–50, often free with oil |
| Engine air filter | Restores airflow and fuel economy | $20–60 |
| Cabin air filter | Smell, dust, and airflow through the vents | $30–80 |
| Brake inspection | Pads and rotors checked before they grind | free–$50 |
| Battery test | Most batteries fail between year 3 and 5 | free at most shops |
Can you DIY it? Oil is a driveway job if you have ramps and a drain pan. Filters are the easiest 10 minutes on this list. Brake inspection is not — you need the wheels off and a trained eye.
The 60,000-mile service
This is where people start skipping things, and where the expensive repairs begin.
- Transmission fluid — $150–350. Most manuals say 30,000–60,000 miles for severe
use. See our transmission fluid guide.
- Brake fluid — $90–150. It absorbs water over time and quietly reduces braking
performance.
- Coolant — $120–200. Interval depends on the coolant type; long-life formulas
often go 100,000 miles, older ones 30,000.
- Spark plugs — $150–400. Copper plugs at 30,000, iridium at 60,000–100,000.
- Brake pads — $150–400 per axle if they were not done earlier. See
What can wait: cabin filter, wiper blades, and cosmetic items. What cannot: brake fluid if it has never been changed, and transmission fluid on a car you plan to keep.
The 90,000-mile service
Same as 60,000, plus the parts that quietly wear out:
- Timing belt (if your engine has one instead of a chain): $500–1,200. This is the
one job where skipping the interval can destroy the engine.
- Serpentine belt and tensioner: $150–350.
- Water pump — often done with the timing belt because the labor overlaps.
- Shocks and struts — $400–1,000 per pair, if the car floats or dives under braking.
- Transmission fluid again — if you tow or drive in traffic daily.
The 120,000-mile service
The car is now in "keep it or sell it" territory. Spend on the things that protect the engine and transmission, defer the things that only affect comfort.
| Priority | Job | Typical cost |
|---|---|---|
| High | Transmission fluid and filter | $200–450 |
| High | Coolant and hoses | $200–400 |
| Medium | Spark plugs, ignition coils if misfiring | $200–500 |
| Medium | Struts and shocks | $400–1,000 |
| Low | Cosmetic trim, paint, interior | varies |
What actually matters, in order
If you only do five things for the life of the car, do these:
- Oil and filter on schedule.
- Brake fluid every few years.
- Transmission fluid before 60,000 miles.
- Coolant before it turns brown.
- Fix warning lights early — a $120 sensor becomes a $1,200 repair when ignored.
FAQ
Do I have to use the dealership for scheduled maintenance? No. Any qualified shop can do it, and in the U.S. it does not void your warranty as long as you keep records and use fluids that meet the spec in your manual. Keep receipts.
Can I go 10,000 miles between oil changes? With full synthetic and mostly highway driving, many modern cars can. With short trips, dust, or towing, change sooner. Follow the oil life monitor if your car has one.
Is the 30/60/90 schedule a real thing? It is a useful shorthand, not a rule. Your manual lists actual intervals by mileage and by "severe" conditions. Use this page to know what is coming, and the manual to know when.
What is the cheapest way to maintain a car? Do the fluids on time, keep tires inflated, and fix small things before they cascade. Skipping a $100 fluid change is how a $3,000 transmission bill happens.
Last reviewed: November 2026. Prices are typical U.S. independent shop ranges and vary by vehicle and region. This is general information, not a substitute for an inspection by a qualified technician.