The 2020 Acura RDX with the 2.0-liter turbocharged engine holds 5.1 quarts of engine oil when you perform a standard oil change with a new filter.
The 2020 RDX uses a 2.0L turbo four that requires a specific amount of lubrication. The official specification lists the engine oil capacity as 5.1 quarts (with filter). This figure is widely cited in manuals and service tables. Practically, most technicians fill to the full mark on the dipstick after replacing the filter and draining the old oil, then recheck to ensure accuracy. If your vehicle has a variant or different filter, consult the owner's manual for the exact capacity by VIN.
Official specification for the 2020 RDX
Before presenting the figure, note that the capacity is defined as the total amount of oil required to fill the engine from dry to full with a new filter, using the recommended grade. The number below reflects the typical value reported by Acura for the 2.0L Turbo engine used in the 2020 RDX.
- 5.1 quarts (with filter)
Concluding: Use 5.1 quarts as the target when you replace the oil and filter, but always verify by checking the dipstick after filling and topping up as needed.
Maintenance tips and best practices
Filling and checking the oil
After draining and replacing the filter, add the oil in stages, checking the level with the dipstick from a cold engine. Start the engine, run for a minute, then recheck the level and top off to the full mark if needed. Do not overfill, as excess oil can damage seals and catalytic components.
Oil grade and service intervals
Use the grade recommended by Acura (usually 0W-20 for the 2.0L Turbo in many regions) and follow the maintenance minder schedule for oil changes. If your climate or driving style requires a different viscosity, consult the owner's manual or dealer guidance.
Summary
In summary, the 2020 Acura RDX holds about 5.1 quarts of engine oil with a fresh filter. This capacity is a useful reference during oil changes to ensure you fill to the correct level and maintain engine lubrication. Always verify the exact quantity for your vehicle variant in the owner's manual and by checking the dipstick after refilling.


