2008 nissan altima motor

Olvin

2 min read

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01-02-2025

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The 2008 Nissan Altima offered a choice of two engines, each catering to different needs and driving styles. Understanding the specifics of each motor is crucial for potential buyers, current owners seeking repairs or upgrades, and anyone interested in the automotive history of this popular sedan. This guide dives deep into the details of the 2008 Altima's powertrains, covering their specifications, common issues, and long-term reliability.

Engine Options for the 2008 Nissan Altima

The 2008 model year presented buyers with two distinct engine options:

1. 2.5L QR25DE Four-Cylinder Engine

This was the base engine for the 2008 Altima, a 2.5-liter inline-four cylinder engine known for its fuel efficiency and relatively smooth operation. The QR25DE was a workhorse, providing adequate power for daily commuting and highway driving.

Key Specifications:

• Displacement: 2.5 liters
• Configuration: Inline-4
• Horsepower: Approximately 175 hp (check your specific model's specifications for precise figures)
• Torque: Around 170 lb-ft (again, consult your vehicle's documentation)
• Fuel Efficiency: Expected to deliver respectable MPG figures, though exact numbers will vary depending on driving conditions and model trim.

Common Issues:

While generally reliable, the QR25DE is not without potential problems. Some owners have reported issues with:

• Variable Valve Timing (VVT) system: Problems with the VVT system can lead to reduced performance and fuel efficiency.
• Throttle body issues: Cleaning or replacement of the throttle body might be necessary over time.
• Oil consumption: Some instances of excessive oil consumption have been reported. Regular oil level checks are recommended.

2. 3.5L VQ35DE V6 Engine

For those seeking more power and performance, the 2008 Altima offered a 3.5-liter V6 engine. This VQ35DE engine provided a noticeable boost in acceleration and overall driving experience compared to the four-cylinder option.

Key Specifications:

• Displacement: 3.5 liters
• Configuration: V6
• Horsepower: Approximately 270 hp (check your specific model's specifications for precise figures)
• Torque: Around 251 lb-ft (consult your vehicle's documentation)
• Fuel Efficiency: Expect lower MPG compared to the four-cylinder, reflecting the increased power output.

Common Issues:

The VQ35DE, while generally regarded as a robust engine, has also had its share of reported issues including:

• Oil leaks: Potential leaks from various seals and gaskets are a possibility over time.
• Timing chain tensioner: Issues with the timing chain tensioner can lead to noise and potential problems.
• Excessive oil consumption (in some cases): Similar to the four-cylinder, some instances of higher than expected oil consumption have been reported.

Maintaining Your 2008 Nissan Altima Engine

Regardless of which engine your 2008 Altima has, proper maintenance is crucial for longevity and optimal performance. This includes:

• Regular oil changes: Following the manufacturer's recommended oil change intervals is vital.
• Fluid checks: Regularly check all fluids, including coolant, brake fluid, and power steering fluid.
• Timing belt/chain inspection: Depending on the engine, this requires attention at specific intervals. Consult your owner's manual.

This guide provides a general overview. Always consult your owner's manual for specific details and recommended maintenance schedules for your particular 2008 Nissan Altima model and engine. Accurate maintenance is key to extending the lifespan of your vehicle's engine and enjoying a reliable driving experience.