How many quarts does IS350 take?
The Lexus IS350 typically takes about 6 quarts of engine oil with the filter, though some model years list around 5.7 quarts. Always verify with your owner's manual for your exact year and engine variant.
The IS350 uses a 3.5-liter V6 across multiple generations, and oil capacity can vary slightly by year and whether the filter is included. The following guide provides a concise breakdown and tips to ensure you have the correct amount for a successful oil change.
Typical oil capacity by generation
Before listing, this section explains why capacities differ and how to interpret the numbers.
- IS350 (first generation, roughly 2006–2013): around 6.0 quarts with filter; about 5.7 quarts if you do not change the filter.
- IS350 (second generation, roughly 2014–present): generally 6.0 quarts with filter; some references still show about 5.7 quarts for certain service procedures.
- Note: Many factory manuals cite 6.0 quarts as the standard total capacity, with 5.7 quarts as a near-minimum when calculating oil drain-and-fill steps that omit the filter replacement.
These figures are guidelines. For the exact specification, consult the owner's manual or Lexus service information for your exact model year and market.
Other factors that influence the amount
Before listing, consider these variables that can affect how much oil you need during a change.
- Oil type and viscosity: Most IS350 models require synthetic oil, typically 0W-20 or 5W-30, depending on year and market.
- Oil filter: Replacing the filter adds about 0.2–0.4 quarts to the total capacity.
- Engine condition and drainage: If you drain more thoroughly or use a different filter, the exact required fill can vary slightly.
For a safe approach, begin with about 6 quarts and then use the dipstick to fine-tune to the Full mark after running the engine briefly and letting it settle.
Maintenance tip
Keep a spare quart available during an oil change to top up if the level sits below Full after your test run.
Bottom line and how to verify
Plan for roughly 6 quarts of engine oil for the IS350, including a filter, with small variations by year. Always verify the exact capacity in your owner's manual or with a Lexus dealer and check the level with the dipstick after the engine has run and cooled.
Summary
The IS350 generally requires about 6 quarts of engine oil (including the filter) for a typical oil change, with some sources noting about 5.7 quarts in certain procedures or for older model years. Use the owner's manual for your specific year to confirm, and always check the dipstick to ensure the oil level sits at the Full mark after service.
