Approximately 6 quarts (about 5.7 liters) of engine oil are required for a full oil change on a 2008 RX400h with the 3.3-liter V6, including a new filter.
The RX400h uses a 3.3-liter V6 as part of its hybrid system, and official service data lists the oil capacity to cover routine maintenance. For market-specific figures, consult the owner's manual or a Lexus dealer, as there can be variations.
Oil capacity details for the RX400h 3.3
To guide a standard oil change, the following items and steps are typically followed. This will help you prepare the right quantity and components for a full change.
- Oil capacity with filter: 6.0 quarts (5.7 liters).
- Recommended oil grade: 5W-30 (as specified by Lexus in the owner's manual for most climates).
- New oil filter and replacement drain plug gasket.
- Proper disposal of used oil and filter in accordance with local regulations.
After completing the change, start the engine, run it briefly, then recheck the level with the dipstick and top off if needed to reach the full mark.
Summary
The 2008 RX400h's 3.3 L engine generally requires about 6 quarts (5.7 liters) of engine oil for a full change with a fresh filter. Always confirm the exact capacity in your owner's manual and use the recommended oil grade for your climate, verifying the level with the dipstick after a test run.