The Complete Car Maintenance Schedule: What to Do and When

Your car is the second most expensive thing you'll ever own. But unlike your house, it doesn't have a property manager sending you reminders about what needs attention. That responsibility falls entirely on you.

The good news is that car maintenance isn't complicated. It follows a predictable pattern based on mileage and time. If you know the pattern, you can stay ahead of every service and avoid the expensive surprises that come from neglect.

This guide covers every major maintenance task your vehicle needs, organized by the mileage interval when it's due. We've built this from manufacturer recommendations across dozens of brands, so whether you drive a Honda Civic or a Ford F-150, you'll find what applies to your vehicle here.

How Maintenance Intervals Work

Every maintenance task has two triggers: mileage and time. Your oil change might be due every 5,000 miles or every 6 months, whichever comes first. This matters because even if you barely drive, fluids degrade, rubber dries out, and parts corrode.

Most vehicles follow a similar schedule with some variation. Luxury cars and trucks often have different intervals for certain services. Electric vehicles skip many traditional services entirely but have their own unique needs. We'll note those differences as we go.

Every 5,000 Miles (or 6 Months)

This is your baseline service interval. These are the things that need attention most frequently.

Oil and Filter Change

This is the single most important maintenance task for any gas or diesel engine. Engine oil lubricates, cools, and cleans internal components. As it ages, it breaks down and loses its protective properties. Running old oil is like running on borrowed time -- it works until it doesn't, and when it stops working, you're looking at thousands in engine damage.

Cost: $30 to $130 depending on your vehicle. Luxury cars that require synthetic oil and specialty filters cost more. Trucks with larger oil capacities run higher too.

Skip this and you risk: Accelerated engine wear, sludge buildup, potential engine seizure. An oil change costs under $100. An engine replacement costs $4,000 to $8,000.

Tire Pressure Check

Tire pressure changes with temperature -- roughly 1 PSI for every 10-degree Fahrenheit change. Under-inflated tires wear faster, reduce fuel economy, and can fail at highway speeds. Over-inflated tires reduce traction and ride quality. Your correct pressure is on the sticker inside the driver's door jamb, not on the tire sidewall.

Cost: Free. Every gas station has an air pump, and you should own a $10 tire gauge.

Windshield Washer Fluid

Simple but important, especially in winter. Running dry when you need to clear road salt or mud is a genuine safety issue. Top it off every oil change.

Cost: A few dollars for a gallon jug.

Every 7,500 Miles (or 6 Months)

Tire Rotation

Front tires wear faster than rears on front-wheel-drive vehicles (and differently on AWD and RWD cars). Rotating them evens out the wear pattern so all four tires last the full life of the tread. Skip this and you'll replace tires in pairs instead of sets, and you'll do it sooner.

Cost: $25 to $75. Many tire shops include free rotations if you bought tires there.

Every 15,000 Miles (or 12 Months)

This is your annual service tier. Everything from the 5K interval plus these additions.

Brake Pad Inspection

Brake pads are consumable -- they're designed to wear down. The question is how much pad remains. Most pads start at 10-12mm thick and should be replaced at 3mm. A visual inspection (or measurement) tells you exactly where you stand and how many miles you have left.

Cost: Usually included in any brake service or tire rotation. Replacement runs $150 to $400 per axle when needed.

Engine Air Filter

Your engine needs clean air to run efficiently. A dirty air filter restricts airflow, which reduces fuel economy and can trigger a check engine light. This is one of the easiest DIY jobs on any car -- most filters pop out in 30 seconds.

Cost: $15 to $50 for the filter. No labor needed if you do it yourself.

Cabin Air Filter

This filters the air coming through your vents. If your A/C smells musty or airflow seems weak, this is almost always the culprit. Usually located behind the glove box.

Cost: $15 to $40. Another easy DIY job.

Wheel Alignment Check

Misalignment causes uneven tire wear, pulling to one side, and a crooked steering wheel. Potholes and curb strikes knock alignment out over time. An annual check catches problems before they eat through a set of tires prematurely.

Cost: $75 to $150 for a four-wheel alignment.

Wiper Blade Replacement

Wiper blades deteriorate from UV exposure and use. If they're streaking, chattering, or leaving unwiped areas, they're overdue. Replace them annually or at the first sign of poor performance.

Cost: $20 to $60 for a pair.

Every 30,000 Miles (or 2 Years)

This is your major service tier. Everything from previous intervals plus these critical fluid services.

Coolant Flush and Fill

Engine coolant (antifreeze) prevents overheating in summer and freezing in winter. Over time, coolant becomes acidic and loses its protective properties, which can corrode your radiator, water pump, and heater core from the inside out.

Cost: $100 to $200 for a complete flush and fill.

Transmission Fluid Change

Transmission fluid lubricates and cools the gears and clutches in your transmission. Neglecting it leads to hard shifting, slipping, and eventually transmission failure -- one of the most expensive repairs you can face. A fluid change costs a fraction of a transmission rebuild.

Cost: $150 to $400 depending on whether it's a drain-and-fill or a full flush.

Brake Fluid Flush

Brake fluid is hygroscopic -- it absorbs moisture from the air over time. That moisture lowers the fluid's boiling point, which means under hard braking (like coming down a mountain), your brakes can lose effectiveness. A flush replaces all the old fluid with fresh.

Cost: $70 to $150.

Fuel Filter Replacement

The fuel filter catches debris and contaminants before they reach your engine's fuel injectors. A clogged filter starves the engine of fuel, causing poor performance, hesitation, and hard starting. Not all modern cars have a serviceable fuel filter -- check your owner's manual.

Cost: $50 to $150.

Brake Rotor Inspection

Rotors wear down alongside brake pads. When they get too thin, they can't dissipate heat effectively, which leads to brake fade and increased stopping distances. Measuring rotor thickness is a standard part of any thorough brake inspection.

Cost: Usually included with a brake service. Rotor replacement runs $200 to $500 per axle.

Suspension Inspection

Shocks, struts, bushings, and ball joints all wear over time. A worn suspension affects ride quality, handling, and tire wear. This inspection identifies components that need attention before they fail completely.

Cost: Inspection is minimal. Replacement ranges from $100 to $800 per component.

Differential Fluid (AWD/4WD Only)

If your vehicle has all-wheel drive or four-wheel drive, the differential and transfer case have their own fluids that need periodic replacement. These are often overlooked but critical for drivetrain longevity.

Cost: $80 to $230 per service.

Every 60,000 Miles (or 5 Years)

This is the big one. The 60K service is where several expensive but critical items come due. Skipping the 60K service can lead to cascading failures that cost far more than the service itself.

Spark Plug Replacement

Modern iridium and platinum spark plugs last much longer than the copper plugs of decades past, but they still wear out. Worn spark plugs cause misfires, rough idle, poor fuel economy, and can damage your catalytic converter -- a part that costs $1,000 or more to replace.

Cost: $100 to $250 for most vehicles. V6 and V8 engines with hard-to-reach plugs cost more.

Timing Belt Inspection (or Replacement)

If your engine uses a timing belt (as opposed to a chain), this is when it typically needs replacement. A broken timing belt on an interference engine will destroy the engine. This is not an exaggeration -- when the belt breaks, pistons collide with valves and the engine is finished. Timing chains generally last longer but should still be inspected.

Cost: $500 to $1,200 for a belt replacement. Often done with a water pump replacement at the same time since the labor overlaps.

Serpentine Belt Replacement

The serpentine belt drives your alternator, power steering pump, A/C compressor, and water pump. When it breaks, everything it drives stops working -- simultaneously. You'll lose power steering, your battery will drain, and the engine will overheat.

Cost: $75 to $200.

Every 100,000 Miles

If you've maintained your vehicle properly to this point, it should still be running strong. These are the services that keep it going for the next 100,000.

Major Fluid Replacement

Every fluid in the vehicle should be fresh at this point. If you've kept up with the 30K intervals, you're covered. If not, this is your last chance before cumulative damage becomes irreversible.

Spark Plugs (Second Replacement)

If your plugs were replaced at 60K, they're due again. Same importance, same consequences for neglect.

Timing Belt (If Not Done at 60K)

Some manufacturers specify longer intervals, but by 100K, any timing belt should be replaced regardless.

Full Suspension Review

By 100K miles, original shocks and struts are likely worn past their effective life. Replacement restores ride quality and handling to near-new levels.

Tire Replacement

Most tires last 50,000 to 70,000 miles, so you're likely on your second set by now. If you've been rotating regularly, they should wear evenly and last to their full rated life.

Electric Vehicle Maintenance

EVs eliminate many traditional services -- no oil changes, no spark plugs, no transmission fluid. But they're not maintenance-free. Here's what EV owners need to track:

• Cabin Air Filter: Same interval as gas vehicles (15,000 miles)
• Brake Fluid: Still required, though brakes last much longer due to regenerative braking
• Coolant: EVs have thermal management systems that need coolant service (around 50,000 miles)
• Tire Rotation: EVs are heavier and produce instant torque, which wears tires faster. Rotate every 5,000 to 7,500 miles
• Battery Health Check: Monitor degradation and cell balance every 30,000 miles
• 12V Battery: The auxiliary battery still needs periodic replacement (every 3-5 years)

The Real Cost of Skipping Maintenance

Maintenance feels expensive when you're paying for it. But it's always cheaper than the repair it prevents. See our full cost breakdown for detailed numbers by vehicle type.

Here are some real comparisons:

• Oil change ($50) vs. engine replacement ($5,000+)
• Coolant flush ($150) vs. head gasket repair ($2,000+)
• Timing belt ($800) vs. engine rebuild ($4,000+)
• Brake fluid flush ($100) vs. brake line replacement ($500+)
• Transmission fluid ($200) vs. transmission rebuild ($3,500+)

How to Stay on Top of It All

The challenge isn't knowing what to do -- it's remembering when to do it. There are several ways to track car maintenance, from paper logbooks to spreadsheets to dedicated apps.

Your Service Book was built specifically for this problem. You enter your vehicle once, and it automatically generates a personalized maintenance schedule based on your make, model, mileage, and driving conditions. It tracks what you've done, reminds you what's coming up, and even monitors open recalls on your vehicle.