The 2017 Cadillac XTS with the 3.6-liter V6 typically requires about 6 quarts (roughly 5.7 liters) of engine oil for a full change, including the oil filter.
In detail, the 3.6L V6 used in the XTS is designed to run on a Dexos1 Gen 2-certified engine oil, most commonly a 5W-30 synthetic blend, though the exact grade can vary by climate and model year. While the standard capacity is widely listed as six quarts for a complete oil change with filter, always confirm the precise specification in the owner's manual or GM service information for your VIN.
Oil capacity details for the 3.6L V6 in the XTS
The figures below reflect the typical capacity and oil-type guidance for the 2017 XTS equipped with the 3.6L engine. These are commonly cited in Cadillac/GM documentation and service data.
- Engine oil capacity: 6 quarts (5.7 liters) including the oil filter.
- Recommended oil type: Dexos1 Gen 2 certified oil, typically 5W-30 synthetic for most climates.
Note: While these figures are standard for the model year and engine, variations can occur due to production changes or service procedures. Always verify with your owner's manual or the GM service information for your exact vehicle.
Oil and maintenance tips
To ensure you maintain proper oil levels and oil quality after a change, follow these practical steps:
- Park on level ground and turn off the engine. Wait several minutes for oil to settle before checking the level.
- Use a clean dipstick to check the oil level, ensuring it sits between the min and max marks.
- If the level is low, add oil in small increments (about 0.5 quart at a time) and recheck.
- Replace the oil cap securely, run the engine briefly, then recheck the level after the engine cools down.
- Dispose of used oil properly and follow the recommended service interval for future oil changes.
In practice, starting with a full 6-quart fill gives you a safe baseline for the engine and filter; top up only if the dipstick indicates you’re below the recommended range after the oil has settled.
Summary
For a 2017 Cadillac XTS with the 3.6L V6, expect about 6 quarts (5.7 liters) of engine oil for a full oil change that includes the filter. Use Dexos1 Gen 2 5W-30 synthetic oil in most climates, and always verify the exact grade and capacity in the owner's manual or GM service information for your vehicle.


