The 2018 Toyota 4Runner uses 5W-30 engine oil, with an oil capacity of about 6.6 quarts (roughly 6.3 liters) when changing the filter. Use synthetic or synthetic-blend oil that meets API SN or ILSAC GF-5 specifications, and verify the exact requirements in your owner's manual for your specific vehicle and driving conditions.
Key oil specifications
Here are the official oil specs and practical guidelines for the 2018 4Runner with the 4.0L V6 (1GR-FE) engine:
- Viscosity: 5W-30 (standard recommendation for this engine)
- Capacity: Approximately 6.6 quarts (6.3 liters) with a full oil change including filter
- Oil specification: API SN (or newer) and ILSAC GF-5 or newer
- Oil type: Synthetic oil or synthetic-blend (Toyota Genuine Motor Oil 5W-30 or equivalent meeting the above specs)
- Maintenance interval: Follow the vehicle’s Maintenance Minder; typical conventional oil changes are around 5,000 miles, while synthetic oil can extend toward 10,000 miles under normal driving conditions
In short, stock guidance centers on 5W-30 with a roughly 6.6-quart capacity and standard API/ILSAC specifications. Always confirm with the owner’s manual and the dipstick to ensure you meet your climate and driving demands.
Choosing the right oil for your climate and driving
Before selecting oil and planning changes, consider climate, driving habits, and maintenance schedules. The official spec emphasizes 5W-30 as the baseline, with synthetic options offering extended change intervals if your driving is normal and conditions aren’t severe.
- Consult the owner’s manual or maintenance minder for the exact oil grade and change interval for your vehicle’s configuration.
- Choose a 5W-30 oil that meets API SN and ILSAC GF-5 (or newer); synthetic or synthetic-blend options are acceptable.
- Ensure you use a compatible oil filter and replace it at every oil change.
- Record the service in your maintenance log and reset the maintenance minder after completion.
Following these steps helps ensure you meet Toyota’s specifications and maintain engine health over time.
Practical tips for maintaining oil health
Beyond choosing the right oil, practical maintenance practices influence engine longevity and performance. Keep an eye on oil level and consistency, use high-quality filters, and adhere to recommended service intervals according to your driving conditions.
Summary
The 2018 Toyota 4Runner’s engine calls for 5W-30 oil, with an approximate capacity of 6.6 quarts including the filter. Use oil that meets API SN/ILSAC GF-5 standards, with synthetic or synthetic-blend options encouraged. Always refer to the owner’s manual and maintenance minder for your specific vehicle and driving conditions, and perform oil changes with a compatible filter and proper disposal. Regularly monitor oil levels and adhere to recommended service intervals to keep the V6 engine running smoothly.