2015 Acura RLX Oil Type & Capacity
The 2015 Acura RLX takes 0W-20 motor oil — 4.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
0W-20 — 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| RLX | Genuine ACURA Motor Oil API Premium-grade SAE 0W-20 Detergent Oil. | 4.50 QTS. | 4.20 QTS. | You may also use synthetic motor oil if it is labeled with the API Certification Seal and is the specified viscosity grade. |
Buy the right oil
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More specs & repair guides for your RLX
2015 Acura RLX factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
0.32 quarts (1.21 L) — 50/50 mix of HONDA Long-Life Antifreeze/Coolant Type 2 and distilled water. Includes: the coolant in the reserve tank and that remaining in the engine.
Frequently asked questions
What type of oil does a 2015 Acura RLX take?
The 2015 Acura RLX takes 0W-20 motor oil (Genuine ACURA Motor Oil API Premium-grade SAE 0W-20 Detergent Oil.), per the factory service manual.
How much oil does a 2015 Acura RLX take?
The 2015 Acura RLX holds 4.5 quarts with a filter change, or 4.2 quarts without changing the filter.
Can I use synthetic oil in my 2015 Acura RLX?
Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2015 Acura RLX. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.