Time Vs Miles

Discover When Time & Miles Are More Important for Maintenance at the Frank Subaru Service Center

Every San Diego motorist drives a different number of miles each month. Racking up more miles may require more frequent maintenance visits. Driving fewer miles may require more time-oriented service intervals, but maintenance remains equally important.

Before you schedule service with Frank Subaru, learn what service intervals - in both months passed and miles driven - are suggested for Subaru maintenance projects regarding oil changes, air filters, brakes, tires, and fluids.

Months vs. Miles Maintenance


Not driving your Subaru Forester around San Diego much? Time factors in regardless. Various vehicle components and fluids aren't as effective over time.


Your vehicle's parts and components suffer more wear and tear with the greater number of miles driven. If you make frequent trips from San Diego to Los Angeles and beyond, you'll want to pay close attention to the number of miles you drive between maintenance visits at our service center in National City, CA.

Time & Mileage Intervals for Select Service Items

Oil Change

Changing your oil is by far the most routine - and the most debated interval - service. At the very least, your Subaru should have its oil changed every six months or 6,000 miles - whichever comes first. Oil deteriorates, and after six months, it can thicken to sludge while failing to remove debris that's harmful to your engine. Racking up miles? Get a conventional oil change every 3,000 miles or get a full synthetic oil change and drive 6,000 miles between oil changes.


Chula Vista motorists should have their tires rotated every six months or 6,000 miles. This extends tire life. Frank Subaru tire specialists are ready to answer any questions you might have and provide all kinds of tires to meet your needs. While we recommend replacing your tires at 6 years of age, you can't just assess your tire's life based on how old it is. A tire's lifespan is determined just as much by the conditions a tire is exposed as it is by calendar years. Temperature changes, sun exposure, storage conditions, usage and maintenance schedules all contribute to how a tire ages.

Time & Mileage Intervals for Select Service Items


Are your brakes screeching as you come to a halt on San Diego streets? Any of your brake components may be worn and require replacements. Most brake repairs - particularly brake pads and rotors - are needed every 40,000 miles, but we encourage San Diego drivers to have their brakes inspected once every four to six months by our Subaru-certified technicians in National City, CA.

Filters & Fluids

We'll replace your oil filter during every oil change. Get your air filter changed once a year. Transmission fluid, power and steering fluid, engine coolant, and brake fluid should be replenished with new fluids every three years or 30,000 miles.

Importance of Having Your Vehicle Serviced Despite Driving Fewer Miles

Prioritize personal safety and your Subaru's longevity by scheduling routine service, even if your car mostly sits in your driveway. Brakes can fail over time. Your battery loses its life. Tires rot. Prevent these from happening by staying on top of the recommended time intervals, which you can reference your Subaru's owner's manual for.

Schedule Service with Frank Subaru

Explore Frank Subaru's service specials for savings on these time and mileage maintenance projects. San Diego drivers can schedule service online with the Frank Subaru service center in National City, CA when their vehicle reaches the suggested time or mileage threshold.

  1. Frank Subaru

    2829 National City Blvd.
    National City, CA 91950

    • Sales: 619-470-5600
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