* 4-speed automatic: This typically holds between 6-7 quarts.
* 5-speed automatic: This typically holds slightly more, around 7-8 quarts.
It's crucial to check your owner's manual. The manual will state the exact capacity for your specific Impala's transmission. This is far more reliable than a general answer found online. The capacity can vary slightly even within the same model year due to minor manufacturing differences.
Don't rely solely on an online figure. Always consult your owner's manual for precise information.
