Toyota Avalon Hybrid 2018 Owner's Manual page 439

Lubrication system
Oil capacity
Drain and refill (Reference
With filter
Without filter
*
: The engine oil capacity is a reference quantity to be used when changing
the engine oil. Warm up the engine and turn off the hybrid system, wait
more than 5 minutes, and check the oil level on the dipstick.
*
)
4.6 qt. (4.4 L, 3.9 Imp. qt.)
4.2 qt. (4.0 L, 3.5 Imp. qt.)
8-1. Specifications
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