Acura RDX Oil Capacity by Year
The Acura RDX oil capacity ranges from 4.5-5.1 qt with filter across covered years and engines. Known viscosities include 0W-20. Use the year and engine tables below to pick the exact refill spec before service.
Direct answer
RDX: 4.5-5.1 qt with filter
The Acura RDX oil capacity ranges from 4.5-5.1 qt with filter across covered years and engines. Known viscosities include 0W-20.
Source notes
Matched across multiple references. Confirm by VIN for trim-specific service.
RDX Oil Capacity by Year
Year-level pages are better for exact searches like "2026 Acura RDX oil capacity".
All RDX Oil Specs
Exact year and engine matches, with filter capacity first.
Why This Model Has Multiple Oil Capacities
A RDX query is usually too broad on its own. Oil capacity changes with year range, engine family, and hybrid versus gas setup. Pick the exact row above before using the value in a refill or oil change.
Before You Buy Oil
How to Use This Model Page
Choose the exact model year first, then match the engine shown on your emission label, VIN decode, or owner manual.
The capacity values are listed with a new oil filter. No-filter refill amounts may be lower when the source publishes them.
Use the detail page for filter part numbers, change intervals, torque specs, and source notes when available.
Common Questions
How many quarts of oil does a Acura RDX take?
Across covered years and engines, the RDX takes 4.5-5.1 qt with filter.
Which RDX year should I choose?
Use the exact model year first, because capacity can change after engine or platform updates.
What oil viscosity does a RDX use?
Known viscosities on this model page include 0W-20.