Dexos1 Gen 1 certified motor oil, typically 5W-30, is the standard choice for a 2010 Chevy with a 5.3-liter V8. You may use a synthetic blend or full synthetic as long as it carries the Dexos1 approval. In most climates, 5W-30 is the recommended viscosity.
Oil specifications and approvals
The 2010 GM lineup that uses the 5.3L V8—including Silverado, Tahoe, Suburban and related models—requires oil that meets Dexos1 Gen 1 specifications. The crucial requirement is Dexos1 certification, with 5W-30 being the common viscosity across many configurations and weather conditions. Always check the owner's manual or with a dealer for the exact grade for your vehicle's setup.
Below is the standard option commonly used in this engine family:
- 5W-30 Dexos1 Gen 1 certified motor oil (synthetic blend or full synthetic)
Using a Dexos1-certified 5W-30 oil ensures proper lubrication and compatibility with the engine’s features, including variable valve timing and any AFM systems.
Other considerations
Oil capacity and filter
The 5.3L V8 generally takes about 5 quarts of oil with a filter, though exact capacity depends on the specific model and filter. Use the OEM-recommended filter and verify oil level with the dipstick after filling.
Maintenance intervals
Oil change intervals depend on driving conditions and oil type. With Dexos1-approved oils, many GM vehicles target around 7,500 miles under normal conditions, but follow the schedule in your owner's manual and adjust for severe service, extreme heat, or dusty environments.
Summary
For a 2010 Chevrolet 5.3L V8, the standard choice is Dexos1 Gen 1 certified motor oil, usually 5W-30, available in synthetic blends or full synthetic. Always confirm the exact grade and service interval in the owner's manual and pick a Dexos1-approved brand to ensure compatibility and optimal engine protection.


