2019 Acura RLX Oil Type & Capacity: 0W-20 (4.5 quarts)
The 2019 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 |
|---|---|---|---|---|
| Base | 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. |
| Sport Hybrid SH-AWD | 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. |
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More factory specs & repair guides for your RLX
🛞 2019 Acura RLX Tire Size & Pressure →🌧️ 2019 Acura RLX Wiper Blade Sizes →💡 2019 Acura RLX Light Bulb Sizes →📖 2019 Acura RLX Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
8.4 quarts (7.94 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 2019 Acura RLX take?
The 2019 Acura RLX takes 0W-20 motor oil (Genuine ACURA Motor Oil API Premium-grade SAE 0W-20 Detergent Oil.), per the factory service manual.
What is the oil capacity of a 2019 Acura RLX?
The 2019 Acura RLX oil capacity is 4.5 quarts with a filter change, or 4.2 quarts without changing the filter.
How often should I change the oil in my 2019 Acura RLX?
Most 2019 Acura RLX owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Acura recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2019 Acura RLX?
Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2019 Acura RLX. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.