A 3.6L V6 GMC Acadia generally takes about 6 quarts of oil (roughly 5.7 liters) when you perform a full oil change with a new filter.
Exact capacity can vary by model year and engine revision. For the most accurate figure, consult your owner's manual or the sticker under the hood that lists the oil capacity for your specific vehicle.
Capacity you can expect across generations
The following figures reflect common specifications reported by GM service guides. They assume a full oil change with a new filter. If you are topping up between changes, use the dipstick to determine the precise amount you need.
- Typical capacity including a fresh filter: about 6 quarts (5.7 liters).
- Working fill range for many 3.6L V6 Acadias: roughly 5.7–6.0 quarts depending on year and whether the filter is replaced.
Always confirm the exact capacity for your vehicle year and model, and adjust as needed after the initial oil fill and a brief engine run.
Oil specification and maintenance guidelines
Recommended oil type and viscosity
Use a Dexos1 Gen 2 certified engine oil, typically 5W-30 for most climates and driving conditions on the 3.6L V6 in the Acadia. Check the oil fill cap, the owner's manual, or the GM service label under the hood for the exact specification for your vehicle.
Oil change intervals
Follow the maintenance schedule in the owner's manual. Depending on driving conditions and oil type, GM generally recommends intervals that can range from roughly 5,000 to 7,500 miles (or as specified in your manual). In severe conditions, more frequent changes may be advised.
Summary
The GMC Acadia's 3.6L V6 typically uses about 6 quarts of oil per change with a new filter, or about 5.7 liters. Confirm the exact capacity for your year and trim, and always use the recommended Dexos1 Gen 2 5W-30 oil and follow the manual for maintenance intervals.