2021 GMC 6.2 Engine Specifications
The 2021 GMC 6.2 engine is a powerful and efficient option available in several GMC models, including the Sierra and the Yukon. This engine is known for its robust performance and advanced technology, making it a popular choice among truck and SUV enthusiasts. Below are the detailed specifications of the 2021 GMC 6.2 engine.
| Specification | Details |
|---|---|
| Engine Type | V8 |
| Displacement | 6.2 liters |
| Horsepower | 420 hp @ 5,600 rpm |
| Torque | 460 lb-ft @ 4,600 rpm |
| Compression Ratio | 10.8:1 |
| Fuel System | Direct Injection |
| Fuel Type | Regular Unleaded (87 octane) recommended, Premium (91 octane) preferred |
| Transmission Options | 10-speed automatic |
| Drivetrain | Rear-wheel drive (RWD) or All-wheel drive (AWD) |
Engine Configuration
The 2021 GMC 6.2 engine features a V8 configuration, which is designed to deliver exceptional power and efficiency. The engine is equipped with several advanced technologies that enhance its performance and reliability.
Key Features of the Engine Configuration
- V8 Layout: The V8 configuration allows for a smoother power delivery and better balance compared to inline engines.
- Direct Injection: This technology improves fuel efficiency and performance by injecting fuel directly into the combustion chamber.
- Variable Valve Timing (VVT): VVT optimizes engine performance across different RPM ranges, enhancing both power and efficiency.
- Active Fuel Management (AFM): This system allows the engine to deactivate half of its cylinders under light-load conditions, improving fuel economy.
- Aluminum Block and Heads: The use of aluminum reduces weight and enhances thermal efficiency.
Engine Oil Specifications
Proper engine oil is crucial for maintaining the performance and longevity of the 2021 GMC 6.2 engine. The following are the recommended oil specifications for this engine.
| Specification | Details |
|---|---|
| Oil Type | Synthetic Blend or Full Synthetic |
| Viscosity Rating | 0W-20 or 5W-30 |
| Oil Capacity (with filter) | 8 quarts (7.6 liters) |
Service Intervals
Regular maintenance is essential for ensuring the optimal performance of the GMC 6.2 engine. Below are the recommended service intervals for oil changes and other maintenance tasks.
Oil Change Intervals
- Every 7,500 miles or 12 months, whichever comes first, for normal driving conditions.
- Every 5,000 miles or 6 months for severe driving conditions, such as towing, off-road driving, or frequent short trips.
Other Maintenance Tasks
- 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 5 years or 150,000 miles.
Conclusion
The 2021 GMC 6.2 engine is a remarkable powertrain that combines performance, efficiency, and advanced technology. Understanding its specifications, engine configuration, oil requirements, and service intervals is crucial for maintaining its performance and longevity. Regular maintenance and the use of recommended engine oil will ensure that this engine continues to deliver the power and reliability that GMC owners expect.
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