5k or 6 months just like a new one. use the recomended toyota/lexus brand oil.
Vehicle:
Lexus IS
Best Engine oil for Lexus IS
0W-20 Amsoil Signature Series 100% synthetic oil changed every 5k miles. Wix 57173XP filter.
Pros: 100% synthetic oil
I switched to valvoline restore and protect on my 06 is250 and it’s working great. The valves are a lot quieter compared to the previous oil I was using which was Kirkland synthetic.
Pros: valves are quieter
Vehicle:
Lexus IS
Finally ended up with Penzoil Plat. Can't tell a difference at all when the oil is fresh. Also engine never burned oil on Penz.
Pros: engine never burned oil
Cons: no difference when fresh
Vehicle:
Lexus IS
I used to use Mobil 1 in my IS 350. I can confirm my engine was quieter on cold stars when I switched to Ultra Plat.
Pros: quieter engine on cold starts
Vehicle:
Lexus IS
I've used Rowe, no complaints
Pros: no complaints
Vehicle:
Lexus IS
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Top manufacturers of engine oil for Lexus IS
This part for Lexus IS is made around the world. We have reviews for engine oil manufacturers from countries such as: Finland, USA, Japan, Germany .
In March 2026, the ranking of engine oil for Lexus IS on PartReview included 6 manufacturers. It is based on 6 reviews and 18 votes.
Which engine oil to choose for Lexus IS?
Last month, PartReview users preferred Mobil. 16% of positive votes went to this manufacturer.
In second place: engine oil VALVOLINE — 16%.
Third place: OEM Toyota with 16% of the votes.
In the overall ranking of engine oil, which aggregates opinions of owners of different car makes and models, these brands hold the following positions:
- Mobil ranked 1, PR Score — 90. Based on 707 reviews and 2171 vote.
- VALVOLINE ranked 7, PR Score — 94. Based on 275 reviews and 839 votes.
- OEM Toyota — rank 11, PR Score — 85. Based on 69 reviews and 212 votes.
Other parts for Lexus IS
After seeing which engine oil owners of Lexus IS prefer, check other popular parts for this car. In March 2026, leaders on PartReview were:
- #1 Brake discs Advics - 50% votes.
- #1 Tires Hankook - 33% votes.