What is the engine oil capacity for a 2001 Infinity GX4 3.5L V6?

The engine oil capacity for a 2001 Infiniti QX4 (the GX4 was sold in some markets, but QX4 is the more common US designation) with the 3.5L V6 engine is approximately 4.8 quarts (4.5 liters). However, it's always best to check your owner's manual for the precise amount. The stated capacity is a guideline, and the actual amount needed may vary slightly depending on the oil filter used.