2009 Infiniti G37 Reliability ReportB grade · moderate risk · system-by-system breakdown
Quick Facts · 2009 Infiniti G37
- The system most likely to surface first: engine (vq37vhr) gallery gasket (major severity).
- No active NHTSA safety recalls on record — a clean recall slate for the 2009 model year.
- Scores 6 points below the strongest nearby year — the 2011 Infiniti G37 earns a 88.
Is the 2009 Infiniti G37 Worth Buying?
The 2009 Infiniti G37 offers an enticing blend of luxury, performance, and style, making it a compelling used car proposition. While generally robust, its specific engine design flaws, primarily related to oiling, demand diligent pre-purchase inspection and a proactive maintenance approach to avoid significant expenses. This vehicle is a solid choice for enthusiasts willing to invest in its care, but those seeking absolute bulletproof reliability should temper their expectations.
The 2009 Infiniti G37 is a fantastic driver's car with a luxurious feel, but its well-documented engine gallery gasket and timing cover leak issues cannot be ignored. While offering a powerful and engaging experience, potential buyers must be prepared for rigorous pre-purchase inspections and proactive maintenance t…
Best Model Years
2011-2013 (later iterations with potentially minor improvements and more reliable gasket materials)
Years to Avoid
2008-2010 (most prone to early gallery gasket failures)
Biggest Strengths
- Potent VQ37VHR engine performance and sound
- Sophisticated handling dynamics for a luxury sport coupe
- High-quality interior materials and comfortable cabin
What Tends to Fail First on the 2009 Infiniti G37
The systems that tend to fail first on the 2009 Infiniti G37, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.
The paper gallery gaskets within the timing cover can fail, leading to significant oil pressure drops, illuminated check engine lights (P0011/P0021), and potentially catastrophic engine damage if unaddressed. This is a common issue on ea…
Oil leaks from the front timing cover gasket are prevalent. While not always critical, they can lead to mess and potential oil starvation if severe and ignored, often requiring significant labor to reseal.
Some VQ37VHR engines, particularly those driven hard or with neglected oil changes, can exhibit noticeable oil consumption between service intervals. This requires owners to frequently check and top off oil levels to prevent engine damage.
2009 Infiniti G37 Mileage Danger Zones
The mileage windows when the 2009 Infiniti G37 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, the G37 is still very fresh. Focus on ensuring all factory recommended maintenance (oil changes, tire rotations, fluid checks) has been meticulously performed.
Maintenance Zone
This mileage often involves spark plug replacement and potentially transmission fluid service. It's also the point where minor suspension wear might start and a very early warning for potential gallery gasket issues.
Elevated Risk Zone
This is a critical juncture where the risk of gallery gasket failure significantly increases. Suspension components like bushings will likely need attention. A comprehensive inspection is vital.
High Risk Zone
At this mileage, wear and tear on all systems are elevated. Expect to address multiple maintenance items and be prepared for potential major engine repairs if the gallery gasket hasn't been replaced or preventative measures weren't taken.
2009 Infiniti G37 Ownership Cost Outlook
What it typically costs to keep the 2009 Infiniti G37 on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$400-700 (standard maintenance, premium fuel)
Moderate Repairs
$600-1,800 occasionally (e.g., timing cover reseal, major suspension work, A/C repairs)
How Long Does the 2009 Infiniti G37 Last?
Consistent preventative maintenance, especially frequent oil changes with quality synthetic oil and regular oil level checks, is paramount to mitigating the known VQ engine risks and ensuring a long service life for your G37.
What 2009 Infiniti G37 Owners Actually Say
What Owners Love
- Exhilarating acceleration and responsive throttle from the VQ37VHR engine
- Stunning exterior design that still looks modern and aggressive
- Engaging handling with direct steering feedback
- Comfortable and upscale interior with quality materials
Common Frustrations
- Mediocre fuel economy, especially with spirited driving
- Requires premium unleaded fuel, adding to running costs
- Road noise can be noticeable on the highway
- Back seat space is cramped for adults
Who Should Buy the 2009 Infiniti G37?
Best For
- Performance enthusiasts seeking a luxury sport coupe on a budget
- Drivers who prioritize engaging driving dynamics and a powerful engine
- Individuals comfortable with performing or budgeting for proactive maintenance
Not Ideal For
- Budget-conscious buyers who cannot afford premium fuel or potential major repairs
- Individuals who neglect routine maintenance or skip oil changes
How the 2009 Infiniti G37 Compares to Rivals
The G37 offers a more engaging driving experience and arguably more distinctive styling than many competitors at its price point. While its reliability is generally strong, the specific VQ engine issues keep it from reaching the top tier of reliability offered by some Japanese…
More Reliable Than
- BMW 3-Series (E90/E92 generation) for overall long-term maintenance costs
- Mercedes-Benz C-Class (W204 generation) for long-term engine reliability (excluding the G37's specific VQ issues)
Comparable To
- Lexus IS 250/350 (similar luxury/performance balance, but Lexus typically has fewer major engine design flaws)
- Audi A4 (B8 generation) for interior quality and driving dynamics, but often less reliable than the G37
2009 Infiniti G37 Recall History
No active NHTSA safety recalls on file for the 2009 Infiniti G37. Always verify with your VIN atnhtsa.gov.
What breaks on the 2009 Infiniti G37?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Other Infiniti G37 Years to Consider
Compare KeepScores across nearby years of the Infiniti G37. Click any year for its full report.
2009 Infiniti G37 Alternatives
Similar class, similar year range — ranked by KeepScore.
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Frequently Asked Questions
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