AutoTracks

Guide · Maintenance

Car maintenance schedule by mileage: what comes due at 30k, 60k, and 90k

One caveat before any numbers: your owner's manual is the authority. Intervals vary by make, engine, oil type, and how you drive — the same task might be due at 30,000 miles on one car and 100,000 on another. What follows is the typical shape of a modern schedule, so you know what to expect and what to ask about.

Every month, or every other fuel stop

The five-minute checks that catch problems while they're cheap:

  • Tire pressure (against the door-jamb placard, not the number on the tire)
  • Engine oil level
  • Coolant level in the overflow reservoir — never open a hot radiator cap
  • All exterior lights
  • Washer fluid and wiper condition

Every 5,000–10,000 miles

  • Engine oil and filter. Most modern cars on synthetic oil specify somewhere in this range; older engines and severe service call for shorter intervals. Check the manual — this is the most consequential number in it.
  • Tire rotation, commonly every 5,000–8,000 miles; pairing it with each oil change is an easy way to never forget it.
  • A quick look at brakes, belts, and hoses while the car is up on the lift.

Every 15,000–30,000 miles

  • Engine air filter — sooner in dusty conditions; it's a cheap part that protects an expensive engine.
  • Cabin air filter, on a similar interval.
  • Brake inspection — pad thickness and rotor condition, so a pads-only job doesn't become pads-and-rotors.
  • Battery test once the battery passes about three years old.

The 30,000-mile service

Usually the first "major" service. Beyond the routine items above, shops typically inspect the transmission fluid, coolant, brake fluid, fuel system, suspension, and steering, replacing what's out of spec. On many older vehicles the fuel filter is a 30k item; most modern cars have a lifetime in-tank filter.

The 60,000-mile service

This is where wear items and fluids start coming due together:

  • Brake fluid — many manufacturers specify replacement every two to three years regardless of miles, so it's often due here if never done.
  • Transmission fluid on many vehicles — intervals vary enormously, and some manufacturers claim lifetime fill; ask what your manual says.
  • Spark plugs on engines with conventional plugs; iridium and platinum plugs commonly last much longer.
  • Tires often reach the end of their tread life around this mileage, depending on the tire and your driving.
  • Close inspection of belts, hoses, shocks, and struts.

90,000–100,000 miles

  • Timing belt, if your engine has one — manufacturer intervals typically fall between 60,000 and 105,000 miles. This is the one item never to stretch: on many engines a snapped belt destroys valves and pistons. The water pump is often replaced at the same time since the labor overlaps. (Timing chains, by contrast, usually have no scheduled replacement.)
  • Long-life spark plugs, if not already done.
  • Coolant, per the manual — modern long-life coolants often run roughly 100,000 miles on the first fill.
  • Suspension, driveline, and exhaust inspection as rubber and bushings age.

Items that run on years, not miles

Low-mileage cars aren't maintenance-free — several items age by time:

  • Brake fluid: commonly every two to three years (it absorbs moisture)
  • Batteries: typically three to five years of life
  • Tires: age out at roughly six to ten years regardless of tread — check the DOT date code
  • Wiper blades: usually annually
  • Coolant and rubber components: per the manual's time interval, whichever comes first

"Severe service" probably means you

Most manuals publish two schedules, and the stricter one applies more often than people think: frequent trips under a few miles, stop-and-go traffic, towing, roof loads, dusty roads, or sustained extreme heat or cold all count. If your driving fits, use the severe-service intervals.

A schedule only helps if you know where you stand — which is the point of keeping a log. AutoTracks builds that record for you: snap each receipt and it becomes a dated, mileage-stamped entry in the car's logbook, so "when was the brake fluid last done?" has an answer. Start your car's logbook free.

Frequently asked questions

Do I still need to change the oil every 3,000 miles?

For most modern cars, no. With current engines and synthetic oils, manufacturers commonly specify intervals in the 5,000-to-10,000-mile range. The 3,000-mile rule is a holdover from older engines and conventional oils — though short-trip, dusty, or towing use (what manuals call severe service) still justifies changing earlier. Your owner's manual has the number that actually applies.

How do I know if my car has a timing belt or a timing chain?

Check the owner's manual or the manufacturer's maintenance schedule — a belt will have a scheduled replacement interval, while a chain usually has none and is designed to last the life of the engine. If you can't find it, a dealer or any competent shop can tell you from the engine code.

Do electric cars follow this schedule?

Only partly. EVs skip everything engine-related — no oil changes, spark plugs, or timing components — but they still need tire rotations (often more frequently, because of the weight and instant torque), cabin air filters, brake fluid changes, and periodic checks of the battery coolant loop. Follow the EV's own maintenance schedule.

What happens if I skip a scheduled service?

It depends on the item. Missing a tire rotation costs some tire life; skipping oil changes or a due timing belt can cost an engine. Skipped maintenance can also complicate warranty claims for related failures. If you're behind, don't panic — have a shop assess what's actually due and prioritize the items that protect the engine, brakes, and transmission first.