Oil capacity for the 2022 GMC Sierra 2500HD depends on which 6.6-liter engine you have. The gasoline V8 version takes about 8 quarts (roughly 7.6 liters) with a filter; the Duramax 6.6L diesel takes about 11 quarts (roughly 10.4 liters) with a filter.
Engine options and oil capacity
The 2022 Sierra 2500HD was offered with two 6.6-liter powertrains: a gasoline V8 and a turbo-diesel. Each engine has its own oil capacity and specifications. Below are the typical capacities used for routine oil changes; always verify with your vehicle’s manual or your dealer for your exact VIN.
Gasoline 6.6L V8
Oil capacity and related details for the gasoline engine are listed here before the specific figures.
- Oil capacity: 8 quarts (7.6 liters) with oil filter change
- Recommended oil type: Dexos1 Gen 2 5W-30 synthetic
- Maintenance note: Have a bit of extra oil on hand to account for spills or filter considerations; always verify with the dipstick and official manual
For the gasoline 6.6L V8, you typically prepare about 8 quarts of oil per change, plus a precautionary extra for the new filter. Always confirm with the dipstick and the owner’s manual for your exact configuration.
Duramax 6.6L Diesel
Oil capacity and related details for the diesel engine are listed here before the specific figures.
- Oil capacity: 11 quarts (10.4 liters) with oil filter change
- Recommended oil type: Dexos2 5W-40 synthetic
- Maintenance note: Diesel engines have higher oil volume needs and specific spec considerations; follow the service schedule and use the correct Dexos2 oil
The Duramax diesel engine in the 2022 Sierra 2500HD requires about 11 quarts of oil per change, plus the new filter. Use Dexos2 5W-40 synthetic and consult the owner's manual for any VIN-specific notes.
Oil type, filters, and maintenance notes
Beyond capacity, the right oil type and filter are essential for long-term engine health. Gasoline versions typically use Dexos1 Gen 2 5W-30, while diesel variants use Dexos2 5W-40. Always replace the oil filter during an oil change and follow GM’s recommended maintenance intervals for your driving conditions.
Where to find official specifications
For the most precise figures tailored to your exact vehicle, consult the 2022 Sierra 2500HD owner’s manual, your vehicle’s VIN, or the GM Owner Center. Dealership service departments can also confirm the exact oil capacity for your configuration.
Summary
The 2022 GMC Sierra 2500HD’s oil capacity varies by engine: about 8 quarts (7.6 L) for the gasoline 6.6L V8 and about 11 quarts (10.4 L) for the Duramax 6.6L diesel, each with its respective filter. Use the correct Dexos specification for your engine and verify with the owner’s manual or dealer to ensure accuracy for your VIN.


