The TLX requires SAE 0W-20 synthetic oil for both engine options.
The 2015 Acura TLX was offered with two engines—a 2.4-liter inline-four and a 3.5-liter V6. Acura specifies 0W-20 synthetic oil for both powertrains, with full synthetic oil generally recommended for best protection and fuel efficiency. For exact capacity and maintenance intervals, consult the owner’s manual or an Acura dealer.
Engine options in the 2015 TLX
Two engines were available in the 2015 TLX lineup. In both cases, the same oil grade is specified to simplify maintenance.
2.4L I-4 engine
Recommended oil: SAE 0W-20 synthetic oil (full synthetic preferred). This grade aligns with Acura’s specification for the 2.4L TLX engine in 2015 models.
3.5L V6 engine
Recommended oil: SAE 0W-20 synthetic oil (full synthetic preferred). Acura’s manual designates 0W-20 synthetic oil for the 3.5L V6 TLX in 2015.
Additional considerations
Use a high-quality 0W-20 oil that meets ILSAC GF-5/API SN or better and fits the Honda/Acura 0W-20 specification. Regular oil changes with the correct grade help maintain engine lubrication and efficiency. If you’re unsure, check the owner’s manual or contact an Acura service advisor.
Summary
For the 2015 Acura TLX, the recommended oil is SAE 0W-20 synthetic oil for both engine options, with full synthetic preferred. Always verify the exact specification and service interval in the owner's manual or with an authorized dealer.