2020 Infiniti QX80 Reliability ReportB grade · low risk · system-by-system breakdown
Quick Facts · 2020 Infiniti QX80
- The system most likely to surface first: infotainment/electrical systems (minor severity).
- Has 1 NHTSA recall on record — the most notable involves the fuel system, gasoline:delivery:fuel pump:control/drive module.
- Scores 5 points below the strongest nearby year — the 2018 Infiniti QX80 earns a 88.
Is the 2020 Infiniti QX80 Worth Buying?
The 2020 Infiniti QX80 is a robust and dependable full-size luxury SUV, leveraging a proven Nissan platform and powertrain to deliver strong long-term reliability. While its interior technology may feel a bit dated, its fundamental mechanicals are well-engineered, making it a confident choice for those prioritizing comfort and durability over cutting-edge gadgets.
The 2020 Infiniti QX80 is an excellent choice for a used luxury SUV, offering a very high degree of mechanical reliability thanks to its proven Nissan underpinnings. While the technology may not impress, its robust powertrain and comfortable, spacious interior make it a dependable workhorse for families and those ne…
Best Model Years
2018-2024 (post-facelift models are visually updated and offer the same core reliability)
Years to Avoid
None specifically, as the 2020 model benefits from years of refinement on its platform.
Biggest Strengths
- Extremely durable VK56VD V8 engine
- Robust body-on-frame construction
- Smooth and reliable 7-speed automatic transmission
What Tends to Fail First on the 2020 Infiniti QX80
The systems that tend to fail first on the 2020 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 older generation infotainment system can experience freezing, touch screen unresponsiveness, or Bluetooth connectivity issues. Parking sensors may also fail prematurely.
Due to the vehicle's substantial weight, front lower control arm bushings, sway bar links, and even shock absorbers can show accelerated wear. Air suspension components (if equipped) are also known failure points over time.
While the VK56 engine is generally robust, minor oil leaks from valve cover gaskets or the front timing cover area can develop over higher mileage. Power steering pump leaks are also possible, though less common on newer models.
2020 Infiniti QX80 Mileage Danger Zones
The mileage windows when the 2020 Infiniti QX80 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, the QX80 is barely broken in. Focus on routine oil changes, tire rotations, and cabin/engine air filter replacements. This is an ideal time for a pre-purchase inspection if buying used.
Maintenance Zone
This mileage often triggers more significant maintenance, including spark plug replacement, differential fluid changes, and transfer case fluid (AWD). Begin inspecting suspension bushings and exhaust for wear.
Elevated Risk Zone
While the powertrain remains strong, this is where you'll start seeing increased wear on various components. Expect to address suspension items, minor fluid leaks, and potentially battery or alternator issues.
High Risk Zone
The QX80 can certainly reach and exceed this mileage, but be prepared for a higher frequency of repairs. This could include major suspension overhauls, cooling system components, or comprehensive fluid system flushes to maintain peak per…
2020 Infiniti QX80 Ownership Cost Outlook
What it typically costs to keep the 2020 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
$700-2,000 occasionally
How Long Does the 2020 Infiniti QX80 Last?
While the QX80's V8 engine and transmission are built to last, purchasing an example with a well-documented service history is paramount. Aim for vehicles below 90,000 miles to maximize hassle-free ownership, but don't shy away from higher mileage if maintenance records are impeccable.
What 2020 Infiniti QX80 Owners Actually Say
What Owners Love
- Incredibly comfortable and spacious for long road trips.
- Powerful V8 engine provides strong acceleration and towing capability.
- Relatively quiet and refined ride quality.
- Luxurious interior materials and solid build quality.
Common Frustrations
- Abysmal fuel economy; it's a gas guzzler.
- Infotainment system feels significantly outdated compared to rivals.
- Noticeable body roll in corners due to its size and suspension tuning.
- Steering can feel numb and disconnected from the road.
Who Should Buy the 2020 Infiniti QX80?
Best For
- Large families needing significant passenger and cargo space.
- Owners who regularly tow boats, campers, or trailers.
- Buyers prioritizing old-school mechanical reliability over cutting-edge technology.
Not Ideal For
- City dwellers concerned about maneuverability and parking.
- Drivers prioritizing fuel economy and low running costs.
How the 2020 Infiniti QX80 Compares to Rivals
The QX80 offers a fantastic blend of luxury, power, and old-school reliability, often outperforming European rivals in long-term mechanical dependability, while standing shoulder-to-shoulder with its Japanese brethren like the Sequoia and Armada. It trails Lexus in cutting-edg…
More Reliable Than
- Mercedes-Benz GLS (for long-term powertrain reliability)
- Land Rover Discovery/Range Rover (for overall mechanical robustness post-warranty)
- Cadillac Escalade (for engine reliability and fewer electrical gremlins)
Comparable To
- Nissan Armada (its direct platform sibling, virtually identical mechanically)
- Toyota Sequoia (for strong V8 powertrain, though Sequoia is simpler interior)
- Lexus LX (similar build quality, though LX has superior tech and perceived reliability)
2020 Infiniti QX80 Recall History
1 recall on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE
Nissan North America, Inc. (Nissan) is recalling certain 2020-2021 Nissan Armada and 2020-2021 INFINITI QX80 vehicles equipped with V8 engines. The impeller can swell and bind within the fuel pump module, causing it to fail.
What breaks on the 2020 Infiniti QX80?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Other Infiniti QX80 Years to Consider
Compare KeepScores across nearby years of the Infiniti QX80. Click any year for its full report.
2020 Infiniti QX80 Alternatives
Similar class, similar year range — ranked by KeepScore.
Relevant Products for Your 2020 Infiniti QX80
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Frequently Asked Questions
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