The 2018 Chrysler 300 equipped with the 3.6-liter V6 uses SAE 5W-20 synthetic motor oil that meets API SN or newer (ILSAC GF-5) standards, with an oil capacity of about 5.9 quarts when changing the filter.
In the 2018 300, the 3.6L Pentastar engine requires this oil specification to ensure proper lubrication, performance, and longevity. This article outlines the official requirements and practical guidance for selecting and changing the oil.
Oil specifications
Viscosity and standards
The engine calls for a full-synthetic 5W-20 motor oil that meets API SN (or newer) and ILSAC GF-5 certification. This combination supports reliable starts, wear protection, and efficient operation.
Below is a concise checklist to keep on hand during oil changes.
- Viscosity: SAE 5W-20
- Standards: API SN or newer; ILSAC GF-5
- Capacity: Approximately 5.9 quarts with filter
- Filter: Compatible oil filter for the 3.6L Pentastar (Mopar or equivalent)
Using the recommended oil type and a fresh filter at the proper interval helps maintain engine performance and warranty coverage.
Summary
The 2018 Chrysler 300 V6 (3.6L Pentastar) requires SAE 5W-20 synthetic oil that meets API SN or newer and ILSAC GF-5, with an approximate oil capacity of 5.9 quarts per change. Always verify the exact specification in the owner's manual or with a dealer, as requirements can vary by market or production date.


