The short answer is: for most Chevy Colorado V6 engines, you should use Dexos1-certified synthetic oil, typically 0W-20 in newer models and 5W-30 in older ones. Always verify in your owner's manual or on the oil cap.
Explainer: The Colorado has evolved across two generations with different V6 engines. The exact oil specification depends on model year and engine variant. Dexos1 Gen 2 oils are standard for many newer Colorado V6s, while early-generation units commonly call for 5W-30 Dexos1-approved oils. Using the correct oil helps protect the engine and maintains warranty coverage.
Oil type by generation
These guidelines cover the two main generations of the U.S.-market Colorado and the typical V6 configurations they used. Always confirm with your manual, since regional variations and dealer advisories can apply.
- First-generation Colorado V6 (roughly 2004–2012): Use Dexos1‑certified oil, typically 5W‑30. Synthetic or synthetic blend options meeting Dexos1 are acceptable depending on the vehicle’s service history and climate.
- Second-generation Colorado V6 (roughly 2015–present): Use Dexos1 Gen 2‑certified oil, typically 0W‑20 synthetic. This is the standard recommendation in most markets; some climates or dealer advisories may allow 5W‑30 with Dexos1 Gen 2 approval, but 0W‑20 is the norm.
Note: Diesel variants (Duramax) and certain market-specific trims may have different oil requirements. Always rely on the owner’s manual and the oil cap for the exact specification.
Verifying the right oil for your vehicle
To ensure you’re using the correct oil for your specific Colorado V6, follow these steps:
- Check the owner's manual for the exact oil specification (Dexos1 Gen 2, 0W-20 is common for newer V6 models).
- Inspect the oil cap or the under-hood label for the approved viscosity and Dexos specification.
- If you’re unsure or the vehicle has aftermarket alterations, consult your GM dealer or a qualified technician with your VIN on hand.
Keeping to the recommended Dexos specification and viscosity helps protect engine tolerances, aids fuel economy, and supports warranty terms.
Summary
In summary, most Chevy Colorado V6 engines require Dexos‑certified oil, with 0W‑20 synthetic favored for the newer generations (2015–present) and 5W‑30 Dexos1 for older models (roughly 2004–2012). Always verify the exact specification for your year and VIN in the owner's manual or on the oil fill cap, and when in doubt, ask a dealer or a qualified technician.
How much oil does a 3.6 L V6 Chevy Colorado take?
6 quarts
3.6L V6 —6 quarts.
What kind of oil does a Chevy Colorado V6 take?
5W-30
AMSOIL Extended-Life 5W-30 100% Synthetic Motor Oil.
What type of oil does a 3.6 L V6 take?
3.6L V6: SAE 0W-20 Full Synthetic (API Starburst) — 5 quarts with filter.
What engine oil does a 2017 Chevy Colorado 3.6 V6 take?
The Proper Chevy Colorado Oil Type
As we mentioned earlier, late-model Colorado vehicles use 5W-30 synthetic oil. Earlier models might recommend 0W-30 synthetic oil.


