Which engine oil is best for Lexus IS 350?
The best engine oil for a Lexus IS 350 is a high-quality synthetic 0W-20 that meets ILSAC GF-6 (or GF-5) and API SP standards, with Toyota/Lexus Genuine 0W-20 preferred. The engine capacity is roughly 6.4 quarts, and a typical change interval under normal driving is about 10,000 miles, though severe conditions can shorten that interval.
What the owner's manual recommends
Most Lexus IS 350 owners should use a 0W-20 synthetic oil that meets modern specifications. The exact recommendation can vary by market and model year, but 0W-20 is the standard for lubrication and fuel economy in many regions. Below is a summary of common guidance.
- 0W-20 synthetic oil (full synthetic) that meets ILSAC GF-6 (or GF-5) and API SP standards. Using Toyota/Lexus Genuine Motor Oil 0W-20 is the safest option to ensure compatibility with the engine’s tolerances and the vehicle’s maintenance monitoring system.
- In some markets or older IS 350 variants, a viscosity such as 5W-30 may be permitted per the specific owner's manual. Always verify the exact recommendation for your model year and climate.
- Oil capacity and change essentials: about 6.4 quarts of oil with a filter change, and reset or update the oil-life monitor after service.
For most IS 350 owners, sticking with 0W-20 synthetic is the prudent choice. It provides good cold-start protection, efficient fuel economy, and reliable lubrication across a wide temperature range.
Climate and driving considerations
Environment and driving style can influence the ideal oil. In very hot climates or in vehicles subjected to frequent heavy driving, the manufacturer’s guidance remains to use a 0W-20 synthetic that meets current ILSAC/API specs. If you live in an area with extreme temperatures, consult your local Lexus dealer or the owner’s manual to confirm there are no climate-specific exceptions.
Brand options and compatibility to consider
There are several reputable 0W-20 synthetic oils that meet Lexus/Toyota specifications and general industry standards. The key is to choose a product that clearly states 0W-20, is full synthetic, and meets ILSAC GF-6 (or GF-5) and API SP, ensuring compatibility with the IS 350’s engine tolerances and emissions systems.
- Toyota/Lexus Genuine Motor Oil 0W-20 — designed specifically for Lexus/T Toyota engines and guaranteed compatibility.
- Mobil 1 0W-20 Full Synthetic — widely used in Lexus models; typically meets API SP and ILSAC GF-6/GF-5 standards.
- Castrol EDGE 0W-20 — a synthetic option that meets recent GF-6/GF-5 specs and API SP.
- Pennzoil Platinum Full Synthetic 0W-20 — formulated to meet GF-6/GF-5 and API SP requirements.
- Valvoline Advanced Full Synthetic 0W-20 — commonly available and GF-6/GF-5 compliant with API SP.
- Royal Purple 0W-20 High-Performance Synthetic — a premium option that aligns with current GF-6/SP standards.
When selecting oil, verify on the bottle that it is 0W-20, full synthetic, and labeled to meet ILSAC GF-6 (or GF-5) and API SP (or newer) specifications. The most straightforward choice is a brand that offers a Lexus-approved 0W-20 option.
Maintenance tips to maximize oil performance
Follow the recommended maintenance schedule and use a quality oil filter. Keep an eye on the vehicle’s oil-life monitor and perform oil changes within the manufacturer’s advised interval, which is typically up to 10,000 miles in normal use when synthetic oil is used. Severe driving conditions such as frequent short trips, extreme temperatures, tow loads, or high-speed/rapid-stop driving can shorten that interval and justify more frequent changes.
Summary
For the Lexus IS 350, the best overall choice is a high-quality 0W-20 synthetic oil that meets ILSAC GF-6 (or GF-5) and API SP standards, with Toyota/Lexus Genuine 0W-20 being the safest option. Use about 6.4 quarts per oil change, and adhere to the maintenance schedule, adjusting frequency for climate and driving style. Always confirm the exact viscosity and spec requirements for your model year and region in the owner’s manual or via a Lexus technician.
What is the best oil for a Lexus 350?
Most new Lexus models require Toyota Genuine Motor Oil SAE 0W-20, which is a full synthetic motor oil. This is the one for the Lexus RX 350 oil type and the Lexus ES 350 oil type. Older models may require the conventional Toyota Genuine Motor Oil 5W-30.
What kind of oil does a 2016 Lexus IS350 take?
STP Full Synthetic Engine Oil 0W-20 5 Quart.
What oil does the Lexus IS350 take?
The Lexus IS350 requires 0W-20 full synthetic oil for most recent model years. For some older models (e.g., 2006-2013), the recommended oil is 5W-30. Always check your owner's manual to confirm the specific oil grade and capacity for your IS350's model year and whether it's RWD or AWD, as capacity can vary.
Recommended oil type by model year
- Most recent models (e.g., 2015 and newer): Use 0W-20 full synthetic oil.
- Older models (e.g., 2006-2013): Use 5W-30 oil, which may be conventional or synthetic depending on the vehicle and owner preference.
Key takeaways
- Always check your owner's manual: to confirm the correct oil grade and capacity for your specific vehicle model year.
- RWD models: typically require about 6 quarts of oil.
- AWD models: typically require about 6.8 quarts of oil.
- Use synthetic oil: for better performance and protection, especially if your vehicle is a newer model.
- Consider brands: that are known for high performance and reliability and meet or exceed the manufacturer's specifications.
Should I use full synthetic oil in a Lexus?
Genuine Lexus Oil Change
At Bergstrom Lexus of Madison, we recommend full synthetic oil changes. Synthetic oil is designed to have a longer lifespan than conventional oil, allowing you to take advantage of a longer interval between oil changes.
