Engine oil capacity for 2008 Silverado 5.3L?

5QTS. with a new filter.

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Previous answer by Neutz is incorrect. Correct capacity is 6.1 quarts with new filter.

Change the filter, and fill with 6 quarts of fresh oil. (5w30)

Would highly recommend Mobil 1 'Extended Performance' 5w30, Castrol Syntec 5w30 (black bottle).

-TEXASGUNMETAL