Skip to main content
HTCOHow To Change OilSearch

Oil Change Intervals for Your Nissan 350Z and 370Z

By Rae CastellanoEngines & Vehicles Writer

Understanding Oil Change Schedules

Regular oil changes are one of the most important maintenance tasks for keeping your 350Z or 370Z running smoothly. Oil lubricates your engine's moving parts, helps with cooling, and keeps dirt and debris from building up inside your engine. Over time, oil breaks down and loses its protective qualities, which is why changing it on schedule matters.

Recommended Oil Change Intervals

Nissan recommends changing your oil every 3,000 to 5,000 miles for the 350Z and 370Z, depending on your driving habits and the type of oil you use.

Conventional Oil: If you use standard mineral oil, plan on changing it every 3,000 miles. This is the most frequent schedule but is the most affordable option.

Synthetic Oil: Synthetic oil lasts longer than conventional oil. You can typically go 5,000 to 7,500 miles between changes. While synthetic costs more upfront, many owners find it worth the investment because they change oil less often.

Factors That Affect Your Oil Change Schedule

Your actual oil change interval may vary based on how you drive:

  • Frequent short trips: Changing oil more often helps because the engine doesn't reach full operating temperature, allowing moisture and contaminants to build up faster.
  • Highway driving: If you mostly drive long distances at steady speeds, your oil stays cleaner longer.
  • Towing or hauling: If you tow anything with your Z, use the more frequent oil change schedule.
  • Hot or dusty climates: Extreme heat and dust can make oil break down faster.
  • Stop-and-go city driving: This puts more stress on your engine and oil, so more frequent changes help.

How to Check Your Oil Level

Between oil changes, check your oil level every month or before long trips. Here's how:

  1. Park on level ground and wait a few minutes after turning off the engine.
  2. Open the hood and locate the dipstick (it usually has a yellow or orange handle).
  3. Pull the dipstick out completely and wipe it clean with a paper towel or cloth.
  4. Reinsert the dipstick all the way, then pull it out again to check the level.
  5. The oil level should be between the minimum and maximum marks on the stick.
  6. If it's low, add the recommended oil type until it reaches the proper level.

What Oil Type to Use

Always check your owner's manual for the correct oil viscosity and specification for your model year. The 350Z and 370Z typically use 5W-30 or 10W-30 oil, but this can vary. Using the wrong oil type can affect engine performance and protection.

Signs You Need an Oil Change

In addition to following your schedule, watch for these signs that an oil change is needed:

  • The oil change warning light appears on your dashboard.
  • Your oil appears dark or dirty when you check the dipstick.
  • You hear engine noise or knocking sounds (a sign oil may be breaking down).
  • You notice an oil smell inside or outside the car.

Keeping Records

Keep a simple log of when you change your oil and how many miles were on the car. This helps you stay on track and shows future buyers that your Z has been well maintained. Many owners keep receipts from oil changes as proof of regular maintenance.

The Bottom Line

Sticking to your oil change schedule is one of the easiest ways to protect your 350Z or 370Z's engine and keep it running strong for years to come. Whether you choose conventional or synthetic oil, the key is changing it regularly and using the right type for your vehicle.