The 2021 Chevy Colorado V6 requires synthetic Dexos1 Gen 2 oil with a viscosity of 0W-20.
Understanding the exact specification helps ensure proper lubrication, warranty compliance, and optimal performance for GM's 3.6L V6 engine used in the Colorado. The dealership service schedule and the owner's manual provide the most precise guidance for your vehicle's climate and usage.
Oil specification and capacity
The 3.6L V6 in the Colorado calls for Dexos1 Gen 2 approved synthetic oil, with a viscosity of 0W-20. The oil capacity is about 6 quarts with a filter. Always verify the exact requirements in your owner's manual or GM's official guidance, as specifications can vary by model year and regional considerations.
Maintenance guidance
To keep the engine performing as designed, follow GM’s recommended oil-change intervals and use only Dexos1 Gen 2 certified oils in 0W-20. Typical guidance suggests changing every 7,500 miles under normal driving conditions, with more frequent changes under severe service (towing, extreme temps, or frequent short trips). Always confirm the interval that applies to your driving conditions in the manual.
Before selecting an oil, ensure it is Dexos1 Gen 2 certified and labeled for 0W-20 viscosity to maintain warranty coverage and engine protection.
Here are common Dexos1 Gen 2 0W-20 synthetic oils that meet GM specifications for the Colorado V6:
- Mobil 1 ESP Formula 0W-20 Dexos1 Gen 2
- Castrol EDGE 0W-20 Dexos1 Gen 2
- Valvoline Advanced Full Synthetic 0W-20 Dexos1 Gen 2
- Pennzoil Platinum Full Synthetic 0W-20 Dexos1 Gen 2
When choosing oil, look for the Dexos1 Gen 2 certification on the bottle and confirm the 0W-20 viscosity label. If in doubt, ask a Chevrolet dealer or trusted mechanic to verify compatibility with your specific Colorado configuration.
Summary
Bottom line: The 2021 Chevy Colorado V6 uses Dexos1 Gen 2 synthetic oil with a 0W-20 viscosity, with an approximate capacity of 6 quarts (including filter). Use a Dexos1 Gen 2 certified oil and follow the recommended change intervals from GM, adjusted for your climate and driving habits. Always consult the owner's manual for the definitive specification.