The 2004 GMC Sierra 1500 with the 5.3-liter Vortec engine typically takes about 6 quarts (roughly 5.7 liters) of engine oil when performing a full oil change with a new filter.
The LM7 5.3L V8 lists its capacity with the oil filter installed as 6 quarts (5.7 liters). If the oil filter is not replaced, the capacity is close to 5 quarts (4.7 liters). Always confirm the level with the dipstick after adding oil and running the engine to ensure it’s within the proper range.
Capacity overview
The figures below reflect the official capacity for a typical 2004 Sierra 1500 equipped with the 5.3L V8. They assume a standard, correctly sized oil filter is used during a routine oil change.
Capacity figures
- Oil capacity with filter: 6 quarts (5.7 liters).
- Oil capacity without filter: 5 quarts (4.7 liters).
When performing maintenance, always replace the oil filter and use the recommended oil grade to ensure the engine remains properly lubricated. After filling, start the engine, let it run briefly, then recheck the level and top off if needed.
Practical maintenance notes
Before you perform an oil change, keep these practical guidelines in mind to ensure accuracy and engine health.
- Use the recommended oil grade, typically 5W-30, and choose either conventional or synthetic oil based on climate and GM guidance.
- Always replace the oil filter during a change, as the filter adds oil capacity and helps protect the engine.
- Dispose of used oil properly and recycle the old filter.
- Check for leaks around the filter and drain plug after the operation.
After completing the maintenance, verify the oil level with the dipstick with the engine off and the vehicle on level ground, and adjust as needed to reach the full mark.
Summary
For a 2004 GMC Sierra 1500 with the 5.3L V8, plan on about 6 quarts (5.7 liters) of engine oil when you change the oil with a new filter. If you skip replacing the filter, you may use around 5 quarts (4.7 liters). Always confirm the level by checking the dipstick after the engine has run and the oil has settled.