2012 Nissan Altima 2.5 S Engine Specifications
The 2012 Nissan Altima 2.5 S is a popular midsize sedan known for its reliability and performance. At the heart of this vehicle is a well-engineered engine that offers a balance of power and efficiency. Below are the detailed specifications of the engine.
| Specification | Details |
|---|---|
| Engine Type | Inline-4 |
| Displacement | 2.5 liters (152 cu in) |
| Horsepower | 175 hp @ 6,000 rpm |
| Torque | 180 lb-ft @ 4,000 rpm |
| Fuel System | Electronic Fuel Injection (EFI) |
| Compression Ratio | 9.6:1 |
| Fuel Type | Regular unleaded |
| Transmission | Continuously Variable Transmission (CVT) |
| Drivetrain | Front-wheel drive (FWD) |
Engine Configuration
The engine configuration of the 2012 Nissan Altima 2.5 S is designed to provide a smooth driving experience while maintaining fuel efficiency. The inline-4 engine is compact and lightweight, which contributes to the vehicle’s overall performance.
Key Features of the Engine Configuration
- Inline-4 Design: This configuration allows for a more compact engine bay, improving vehicle handling and reducing weight.
- Variable Valve Timing (VVT): The engine is equipped with VVT technology, enhancing performance and efficiency by optimizing valve timing based on engine speed and load.
- Aluminum Construction: The engine block and cylinder head are made from aluminum, which helps reduce weight and improve heat dissipation.
- Dual Overhead Camshafts (DOHC): This design allows for better airflow and improved performance at higher RPMs.
Engine Oil Specifications
Proper engine oil is crucial for maintaining the performance and longevity of the 2012 Nissan Altima 2.5 S. The right oil ensures that the engine runs smoothly and efficiently.
Recommended Engine Oil
- Oil Type: SAE 0W-20 or SAE 5W-30
- Oil Capacity: Approximately 5.1 quarts (with filter)
- Oil Filter: Use a high-quality oil filter compatible with Nissan specifications.
Service Intervals
Regular maintenance is essential to keep the 2012 Nissan Altima 2.5 S running at its best. Following the recommended service intervals will help ensure the engine remains in optimal condition.
Oil Change Intervals
- Every 5,000 miles or 6 months, whichever comes first, for normal driving conditions.
- Every 3,000 miles or 3 months for severe driving conditions, such as frequent short trips, extreme temperatures, or towing.
Other Maintenance Intervals
- 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 105,000 miles.
- Coolant Flush: Every 60,000 miles.
Conclusion
The 2012 Nissan Altima 2.5 S is equipped with a robust and efficient engine that provides a satisfying driving experience. Understanding the engine specifications, configuration, oil requirements, and service intervals is crucial for maintaining the vehicle’s performance and longevity. Regular maintenance and using the recommended engine oil will ensure that the Altima continues to perform well for years to come.
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