2018 GMC 6.2L Engine Specifications
The 2018 GMC 6.2L engine is a powerful and efficient option that enhances the performance of various GMC models, particularly the Sierra and Yukon. This engine is part of the EcoTec3 family, designed to deliver a balance of power, efficiency, and reliability. Below are the detailed specifications of the 6.2L engine.
| Specification | Details |
|---|---|
| Engine Type | V8 |
| Displacement | 6.2 liters (376 cubic inches) |
| Horsepower | 420 hp @ 5,600 rpm |
| Torque | 460 lb-ft @ 4,100 rpm |
| Compression Ratio | 10.8:1 |
| Fuel System | Direct Injection |
| Fuel Type | Regular Unleaded (87 octane) recommended; Premium (91 octane) preferred |
| Valvetrain | DOHC with VVT (Variable Valve Timing) |
| Weight | Approximately 450 lbs |
| Cooling System | Water-cooled |
Engine Configuration
The 2018 GMC 6.2L engine features a robust V8 configuration, which is known for its power and torque characteristics. This engine is engineered with several advanced technologies that enhance its performance and efficiency.
Key Features of the Engine Configuration
- Direct Injection: This technology allows for more precise fuel delivery, improving combustion efficiency and power output.
- Variable Valve Timing (VVT): VVT optimizes engine performance across different RPM ranges, enhancing both power and fuel economy.
- Aluminum Block: The engine block is made from lightweight aluminum, reducing overall weight and improving efficiency.
- Active Fuel Management: This system allows the engine to deactivate half of its cylinders under light-load conditions, improving fuel economy.
Engine Oil Specifications
Proper engine oil is crucial for the longevity and performance of the 2018 GMC 6.2L engine. The right oil ensures optimal lubrication, reduces friction, and helps maintain engine temperature.
Recommended Engine Oil
- Oil Type: Synthetic oil is recommended for optimal performance.
- Viscosity: 0W-20 is the preferred viscosity grade for the 6.2L engine.
- API Certification: Look for oils that meet or exceed the API (American Petroleum Institute) certification standards.
Engine Oil Capacity
| Specification | Details |
|---|---|
| Oil Capacity with Filter | 8 quarts (7.6 liters) |
| Oil Capacity without Filter | 7.5 quarts (7.1 liters) |
Service Intervals
Regular maintenance is essential to keep the 2018 GMC 6.2L engine running smoothly. Adhering to the recommended service intervals can help prevent issues and extend the life of the engine.
Oil Change Intervals
- Conventional Oil: Change every 3,000 to 5,000 miles.
- Synthetic Oil: Change every 7,500 to 10,000 miles.
Other Maintenance Recommendations
- Air Filter Replacement: Every 15,000 to 30,000 miles, depending on driving conditions.
- Fuel Filter Replacement: Every 30,000 miles.
- Spark Plug Replacement: Every 100,000 miles.
- Coolant Flush: Every 50,000 miles.
Conclusion
The 2018 GMC 6.2L engine is a well-engineered powerplant that offers impressive performance and efficiency. Understanding its specifications, configuration, oil requirements, and service intervals is crucial for maintaining optimal engine health. Regular maintenance not only enhances performance but also ensures the longevity of the engine, making it a reliable choice for GMC vehicle owners.
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