2011 Infiniti QX80 Reliability ReportCommon Problems, Repair Costs & Expert Verdict
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Quick Facts · 2011 Infiniti QX80
- No active NHTSA safety recalls on record — a clean recall slate for the 2011 model year.
- Outscores the 2013 Infiniti QX80 by 4 points — one of the stronger nearby years to consider.
- The system most likely to surface first: rear air suspension system (major severity).
The 2011 Infiniti QX80 at a glance
- Is the 2011 Infiniti QX80 reliable?
- Autojunket rates the 2011 Infiniti QX80 82/100 (grade B), categorized as moderate risk. A luxurious and capable full-size SUV that offers great value, but demands a vigilant owner ready to tackle known, potentially expensive issues.
- Should I buy a used 2011 Infiniti QX80?
- Autojunket recommends reading the full reliability report before buying a 2011 Infiniti QX80. The 2011 Infiniti QX80 is a strong contender for a luxury SUV, but its two major Achilles' heels—the timing chain and the air suspension—necessitate a cautious approach. A well-maintained example with documented service history and a thorough pre-purchase inspection can be a solid, luxurious vehicle, provided you've…
- Which Infiniti QX80 years are the most reliable?
- Best model years to buy: 2017-2020 (later models of the generation, often with revised components and resolved early issues).. Years to avoid: 2011-2013 (earliest second-generation models that may have a higher incidence of timing chain and air suspension failures before potential revisions or owner awareness was widespread)..
- What are the most common problems with the 2011 Infiniti QX80?
- The top failure points on the 2011 Infiniti QX80 are Rear Air Suspension System (typically around 70,000-120,000 miles), Engine Timing Chain (typically around 80,000-150,000 miles), Brake System Wear (typically around 20,000-50,000 miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.
- At what mileage do problems start on the 2011 Infiniti QX80?
- The first major mileage danger zone for the 2011 Infiniti QX80 is around 30,000. Low Risk Zone — This mileage range primarily focuses on routine maintenance. Heavy braking habits might necessitate early brake service, but major issues are rare.
Every answer is generated from real repair, recall, and ownership data — full breakdown in the report.
Read the full free reportShould You Buy the 2011 Infiniti QX80?
The 2011 Infiniti QX80, sold as the QX56 for this model year, is a remarkably luxurious and capable full-size SUV. However, it requires a diligent owner prepared for specific, potentially significant repair costs as it ages, particularly concerning its air suspension and a known engine issue. If you’re willing to invest in proactive maintenance and address these weak spots, it offers a fantastic value proposition in the used luxury SUV market.
The 2011 Infiniti QX80 is a strong contender for a luxury SUV, but its two major Achilles' heels—the timing chain and the air suspension—necessitate a cautious approach. A well-maintained example with documented service history and a thorough pre-purchase inspection can be a solid, luxurious vehicle, provided you've…
Best Model Years
2017-2020 (later models of the generation, often with revised components and resolved early issues).
Years to Avoid
2011-2013 (earliest second-generation models that may have a higher incidence of timing chain and air suspension failures before potential revisions or owner awareness was widespread).
Biggest Strengths
- Robust 5.6L V8 engine (when timing chain issue is addressed)
- High-quality, durable interior materials
- Excellent towing capacity and ride comfort
Top Risk Areas
The systems that tend to fail first on the 2011 Infiniti QX80, 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 self-leveling rear air springs and compressor are prone to failure, leading to a sagging rear end, compressor overwork, and a compromised ride. Leaks in the air bags are common, especially in colder climates.
On the VK56VD engine, wear on the timing chain guides can cause a noticeable whine or rattle, particularly on startup or around 2,000 RPM. If neglected, this can lead to catastrophic engine damage.
The QX80's substantial weight puts significant stress on the brake components, leading to faster-than-average wear on pads and rotors. Warped rotors and excessive brake dust are common complaints.
2011 Infiniti QX80 Mileage Danger Zones
The mileage windows when the 2011 Infiniti QX80 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
This mileage range primarily focuses on routine maintenance. Heavy braking habits might necessitate early brake service, but major issues are rare.
Maintenance Zone
Key preventative maintenance like spark plugs and transmission fluid changes are due. This is a good time for a comprehensive inspection of the air suspension system for early signs of trouble.
Elevated Risk Zone
The rear air suspension often begins to show signs of failure (leaks, compressor issues) in this range. It's also critical to listen for any timing chain noises.
High Risk Zone
At this mileage, expect significant deferred maintenance costs if not already addressed. Timing chain replacement becomes a real possibility, and major suspension components may need replacement.
2011 Infiniti QX80 Ownership Cost Outlook
What it typically costs to keep the 2011 Infiniti QX80 on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$600-900
Moderate Repairs
$800-2,500 occasionally
How Long Does the 2011 Infiniti QX80 Last?
Seek out models with comprehensive service records. If buying over 90,000 miles, prioritize vehicles where the timing chain noise has already been addressed or where the air suspension has been recently replaced or converted to coil springs.
What 2011 Infiniti QX80 Owners Actually Say
What Owners Love
- Powerful and smooth V8 engine performance
- Luxurious, spacious, and comfortable cabin for long journeys
- Impressive towing capacity for trailers and boats
- High-quality interior materials that age gracefully
Common Frustrations
- Poor fuel economy (typical for large V8 SUVs)
- High cost of specific parts and labor for major repairs (e.g., air suspension, timing chain)
- Frequent brake wear and potential for warped rotors
- Infotainment system can feel dated and occasionally glitchy
Who Should Buy the 2011 Infiniti QX80?
Best For
- Families needing significant passenger and cargo space
- Buyers who regularly tow boats or large trailers
- Individuals prioritizing a luxurious and comfortable ride
Not Ideal For
- Budget-constrained buyers seeking minimal running costs
- Drivers living in dense urban environments due to its large size
How the 2011 Infiniti QX80 Compares to Rivals
The QX80 provides a compelling blend of luxury and capability that often outperforms its European rivals in overall long-term reliability for certain components, while still falling short of the legendary bulletproof nature of a Toyota Land Cruiser or even a Lexus LX in some k…
More Reliable Than
- Older Mercedes-Benz GL/GLS-Class (more complex systems, higher repair costs)
- Older BMW X5/X7 (generally more fragile electronics and suspensions)
- Cadillac Escalade (often lower interior quality, comparable reliability issues)
Comparable To
- Lexus LX 570 (similar capability and luxury, but LX typically has fewer major common issues)
- Toyota Sequoia (similar platform robustness, but less luxury features)
NHTSA Recalls
No active NHTSA safety recalls on file for the 2011 Infiniti QX80. Always verify with your VIN atnhtsa.gov.
What breaks on the 2011 Infiniti QX80?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
Autojunket OSC · OSC Transfer
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Infiniti QX80 by Year
Compare AutoScores across nearby years of the Infiniti QX80. Click any year for its full report.
If You're Considering This, Also Look At
Similar class, similar year range — ranked by AutoScore.
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Where the 2011 Infiniti QX80 report beats Carfax + CR
Carfax tells you if it crashed. Consumer Reports rates the whole nameplate. Autojunket tells you what will actually break on this specific year — and how to negotiate it.
Year-specific reliability score
Common problems + repair costs
Mileage danger zone map
AI negotiation script + walk-away price
Single report price
Frequently Asked Questions
Sell your 2011 Infiniti QX80 for what it's actually worth.
Log every service on your Infiniti QX80. When it's time to sell, hand the buyer a signed PDF — every receipt, mileage-verified, close the deal at your price.
- OSC Transfer PDF — every receipt
- Snap-a-receipt AI log
- Fuel & mileage tracker
- Shareable buyer view link
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