2012 INFINITI G25

2012 INFINITI G25

Overview

The 2012 INFINITI G25, a luxury sport sedan, offered a blend of performance and refinement. It was generally considered a reliable vehicle, particularly for its segment. The G25 was powered by a 3.7-liter V6 engine, paired with either a 7-speed automatic or a 6-speed manual transmission. While most owners reported a positive experience, like any vehicle, some common areas of concern have been noted over time. This analysis focuses on specific components and potential issues beyond routine maintenance, providing insights into the long-term durability of the 2012 G25.

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Engine

3.7L V6 (VQ37VHR)

Oil Consumption

• Symptoms: Increased oil level checks required, potential blue smoke from exhaust under heavy acceleration.
• Solution: Monitor oil levels regularly. In severe cases, engine internal inspection and potential repair or replacement may be necessary.
• Cost: $1,500 - $5,000+

Timing Chain Wear

• Symptoms: Rattling noise from the front of the engine, especially on startup or at idle.
• Solution: Replacement of timing chain, tensioners, and guides.
• Cost: $1,200 - $2,500

Transmission

7-Speed Automatic (JR710E)

Harsh Shifting / Delayed Engagement

• Symptoms: Jerky gear changes, hesitation when shifting into drive or reverse.
• Solution: Transmission fluid and filter change, solenoid replacement, or in severe cases, transmission rebuild.
• Cost: $500 - $3,000+

6-Speed Manual

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Suspension

Standard Chassis

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Electrical

Infotainment System

Screen Glitches / Freezing

• Symptoms: Navigation screen freezes, audio system becomes unresponsive.
• Solution: Software update, or replacement of the head unit.
• Cost: $300 - $1,500

Battery Drain

No major issues reported for this configuration.

Exterior

Paint and Body Panels

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Headlights

Condensation

• Symptoms: Moisture or fogging inside headlight assemblies.
• Solution: Sealing of headlight housing, or replacement of headlight assembly.
• Cost: $300 - $800 per headlight

Interior

Seat Upholstery

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Climate Control System

Blend Door Actuator Failure

• Symptoms: Inability to control temperature or direct airflow to specific vents.
• Solution: Replacement of the blend door actuator.
• Cost: $200 - $500

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Summary Verdict

The 2012 INFINITI G25 is generally a reliable luxury sedan, with its VQ37VHR engine being a strong point. However, potential owners should be aware of possible oil consumption issues and timing chain wear, especially on higher mileage examples. The 7-speed automatic transmission can sometimes exhibit shifting problems. Electrical gremlins, particularly with the infotainment system and occasional battery drain, are also noted. Exterior issues like headlight condensation and interior climate control blend door failures are less common but can occur. Overall, with diligent maintenance and awareness of these potential issues, the G25 can provide a satisfying ownership experience.