2021 Chevy Silverado: Engine Specs and Service Intervals

2021 Chevy Silverado Engine Specs

Engine Configuration

The 2021 Chevy Silverado offers a range of engine options to suit different needs and preferences. Let’s take a closer look at the engine configurations available for this powerful pickup truck:

1. 4.3L EcoTec3 V6 Engine:
– Displacement: 4.3 liters
– Configuration: V6
– Horsepower: 285 hp
– Torque: 305 lb-ft
– Fuel Delivery: Direct Injection
– Transmission: 6-speed automatic

2. 2.7L Turbo Engine:
– Displacement: 2.7 liters
– Configuration: Inline-4
– Horsepower: 310 hp
– Torque: 348 lb-ft
– Fuel Delivery: Direct Injection
– Transmission: 8-speed automatic

3. 5.3L EcoTec3 V8 Engine:
– Displacement: 5.3 liters
– Configuration: V8
– Horsepower: 355 hp
– Torque: 383 lb-ft
– Fuel Delivery: Direct Injection
– Transmission: 8-speed automatic

4. 6.2L EcoTec3 V8 Engine:
– Displacement: 6.2 liters
– Configuration: V8
– Horsepower: 420 hp
– Torque: 460 lb-ft
– Fuel Delivery: Direct Injection
– Transmission: 10-speed automatic

5. Duramax 3.0L Turbo-Diesel Engine:
– Displacement: 3.0 liters
– Configuration: Inline-6
– Horsepower: 277 hp
– Torque: 460 lb-ft
– Fuel Delivery: Common Rail Direct Injection
– Transmission: 10-speed automatic

Engine Oil Specs & Service Intervals

Proper engine oil maintenance is crucial for the longevity and performance of your Chevy Silverado’s engine. Here are the recommended engine oil specifications and service intervals for the 2021 Silverado:

1. Engine Oil Specifications:
– Recommended Oil Type: Dexos1 Gen 2 Full Synthetic
– Oil Viscosity: 5W-30

2. Service Intervals:
– Oil Change Interval: Every 7,500 miles or 12 months, whichever comes first.
– Oil Life Monitoring System: The Silverado is equipped with an Oil Life Monitoring System that calculates the remaining oil life based on various factors such as engine temperature, driving conditions, and mileage. It will display a percentage on the instrument cluster, indicating when an oil change is necessary. It is recommended to follow the system’s guidance for optimal maintenance.

It is important to note that these specifications and service intervals may vary depending on your specific Silverado model, driving conditions, and usage. Always refer to your vehicle’s owner’s manual or consult with a certified Chevrolet technician for accurate and up-to-date information.

In conclusion, the 2021 Chevy Silverado offers a diverse range of engine configurations, allowing you to choose the power and performance that suits your needs. Remember to follow the recommended engine oil specifications and service intervals to ensure your Silverado continues to run smoothly for years to come.