Quick answer: the 2015–2020 Acura TLX 2.4L takes 4.4 qt (4.2 L) and the 3.5L V6 takes 4.5 qt (4.3 L) of SAE 0W-20 with a filter change.
| Engine | Oil capacity (change including filter) | Oil type |
|---|---|---|
| 2.4L 4-cylinder | 4.4 qt (4.2 L) | 0W-20 |
| 3.5L V6 | 4.5 qt (4.3 L) | 0W-20 |
Both engines take less than 5 quarts.
Oil capacity by year
| Model year | 2.4L | 3.5L V6 |
|---|---|---|
| 2015 | 4.4 qt | 4.5 qt |
| 2016 | 4.4 qt | 4.5 qt |
| 2018 | 4.4 qt | — |
| 2020 | 4.4 qt | — |
We read the engine oil specifications of every manual listed under Sources. Without a filter change, capacities are about 0.3 qt lower.
Recommended oil type
Acura recommends Genuine Acura Motor Oil 0W-20 or an API Premium-grade SAE 0W-20 detergent oil.
How to reset the oil life on the 2015–2020 Acura TLX
See also: Oil life reset by brand.
Acura uses the Maintenance Minder. After the oil change, reset the engine oil life to 100%: on most models, open the maintenance information in the instrument display (or in the touchscreen Settings › Vehicle › Maintenance), select the engine oil item and confirm Reset. The exact button sequence for your year is in the owner’s manual linked below.
Oil change tips
- One 5-quart jug.
- The capacity is approximate. After refilling, run the engine for a minute, turn it off, wait a few minutes and check that the level is between the marks on the dipstick before adding more.
Sources and how we checked
All capacities and oil grades on this page come from Acura’s owner’s manuals, published on American Honda’s official technical information site (section “Specifications”: engine oil):
- 2015 Acura TLX owner’s manual
- 2016 Acura TLX owner’s manual
- 2018 Acura TLX owner’s manual
- 2020 Acura TLX owner’s manual
If your owner’s manual shows something different, follow your manual and tell us.
Last checked: October 27, 2026.
FAQ
How much oil does an Acura TLX 2.4 take?
4.4 qt (4.2 L) with a filter change.
How much oil does a TLX V6 take?
4.5 qt (4.3 L).
What oil does a TLX use?
SAE 0W-20.
Is a 5-quart jug enough?
Yes.
How do I reset the oil life?
Reset the engine oil item in the Maintenance Minder.
Newer TLX? See the 2021–2025 Acura TLX.