The 2018 Chevy Malibu LT with the 1.5-liter turbo engine requires Dexos1 Gen 2 0W-20 synthetic motor oil. This GM-approved specification is designed to protect the turbocharged engine and maintain warranty coverage.
Recommended oil specification
General Motors specifies Dexos1 Gen 2 0W-20 synthetic oil for the 1.5L turbo engine in this model year. Using the correct viscosity and certification helps ensure optimal lubrication, cold-start protection, and engine longevity under a variety of driving conditions.
Key oil recommendations for this engine:
- Dexos1 Gen 2 0W-20 synthetic motor oil — GM-approved and required for this engine.
In short, the official guidance centers on a single primary option: Dexos1 Gen 2 0W-20 synthetic oil. Always confirm with the owner's manual or a GM-certified service adviser if you have any questions about oil certification or climate-specific considerations.
Why this oil matters
Using the specified oil helps protect the turbocharged 1.5L engine, supports efficient fuel economy, and aligns with GM's warranty requirements. The Dexos1 Gen 2 standard is designed to meet the needs of GM's modern engines and their emission controls.
Dexos1 Gen 2 explained
Dexos1 Gen 2 is GM's engine oil specification introduced to provide consistent wear protection, combustion cleanliness, and reliability across GM vehicles, especially turbocharged and direct-injected engines. The 0W-20 grade is chosen for its cold-start protection and fuel efficiency, while still maintaining adequate high-temperature performance.
Practical considerations
For best results, always use oil that is clearly labeled Dexos1 Gen 2 and 0W-20, and use a full-synthetic formulation if possible. Check the owner's manual for the exact capacity and change intervals, and consult a GM-certified technician if you’re unsure about oil choices for extreme climates or high-mileage vehicles.
Summary
For the 2018 Chevy Malibu LT with a 1.5L engine, the recommended oil is Dexos1 Gen 2 0W-20 synthetic motor oil. Use GM-approved oil to ensure engine protection, fuel economy, and warranty compliance, and verify specifics in the owner's manual.