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ProblemsByVinFile / 2005-INFINITI-QX56NHTSA data synced 21 hours ago
INFINITI
2005 INFINITI QX56 problems
The 2005 INFINITI QX56 has 80 NHTSA owner complaints and 4 active recall campaigns on file. Here's the breakdown — what's serious, what's noise, and what a working mechanic would actually do about it.
The 2005 INFINITI QX56 has 80 NHTSA owner complaints and 4 recalls on file (U.S. federal records, as of September 2026). The most-reported system is brakes at 31 complaints, typically surfacing around 101,387 miles (~$450 to repair). Source: NHTSA Office of Defects Investigation.
Solid reliability overall. Common issues are concentrated in a few systems.
0
Critical
4
Severe
0
Moderate
Should you avoid this 2005 QX56?
Acceptable — with caveats
Worth owning if you verify the specific issues below before you buy.
Reliability score 7.2/10 — around the segment average
4 recall campaigns on file
Our read of the federal NHTSA complaint and recall record for this exact year and model —
not a substitute for a pre-purchase inspection. How we score.
Buying a used 2005 INFINITI QX56? Check these first
Here's what this model is known to do — so you can inspect for it, price it in, or
make the seller fix it before you sign.
What to inspect on this specific car
brakes — 31 owner reports
· tends to show around 101,387 mi · ~$450 to fix
fuel system — 13 owner reports
· tends to show around 95,767 mi · ~$1,200 to fix
engine — 4 owner reports
· tends to show around 97,938 mi · ~$3,100 to fix
steering — 4 owner reports
· tends to show around 108,000 mi · ~$700 to fix
Recalls to confirm are done
Run the VIN from the listing — 4 active recalls on this model. Recall repairs are always free.
Verdict for buyers: 7.2/10 model. The priciest documented failure is
engine (~$3,100) — get the
seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report
tells you what this exact car has been through. Smart buyers get both.
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in
this vehicle's actual NHTSA record, not generic advice.
Dash light, leak, worn part — snap it and we'll read it against this car's record.
Photo attached — type a question or just hit Ask.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
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What owners are saying
recent NHTSA-filed complaints · verbatim
2005 QX56· brakes
While driving ,I pressed on the brakes and the pedal dropped down and started making a weird noise kind of like loose metal parts and the truck wouldn't stop. The ABS light turned on. It felt like the brakes locked up . I managed to pull to the side of the road and shut the…
Brake shudder - severely reduced braking power. Brake light comes on dash. This is random. Happened twice more on way to work, approximately 50 MPH,on I-40 exit ramp and 30 MPH on a side road. Turning off vehicle and back on resets this. But it randomly happens again. I am…
When car stop on stop sign, ready to go, brief a moment it hold a car & then go. I have been taking to a dealer for fix ,they couldn't fix or they couldn't find a problem. Seems to me either the transmission or fuel relate problem. My car is Infiniti qx56. Please look in to…
I started to break saw a major traffic jam . And my steering started shaking and my breaks did not Stop like they're supposed to.almost was i huge crash w I th my [XXX] and [XXX] old INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Had a problem with your 2005 INFINITI QX56?
File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Nissan is recalling certain model year 2004-2006 armada, titan, Infiniti qx56 and model year 2005-2006 frontier, pathfinder and xterra vehicles
This could cause engine stalling increasing the risk of a crash.
Fix: Dealers will replace the ECM relay inside the ipdm assembly. This service will be performed free of charge. The safety recall began on december 6, 2010. Owners may contact Nissan at 1-800-647-7261.
Nissan is recalling certain front and rear lower links, p/nos
If the collar weld separates, the vehicle handling will deteriorate, possibly resulting in a vehicle crash.
Fix: Nissan will notify owners and dealers will replace any affected lower link free of charge. The safety recall began on july 12, 2010. Owners may contact Nissan at 1-800-647-7261.
Nissan is recalling certain model year 2005-2009 titan, armada, and Infiniti qx56 vehicles
This could cause the vehicle to run out of gas and stall on the highway, which could cause a crash.
Fix: Dealers will replace the fuel sender unit inside the fuel tank with a new improved sender card. This service will be performed free of charge. The safety recall began on march 22, 2010. Owners may contact Nissan at 1-800-647-7261.
Mostly yes. With a reliability score of 7.2 out of 10 based on 80 owner complaints filed with NHTSA, the 2005 Infiniti QX56 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2005 Infiniti QX56?
The 2005 INFINITI QX56 is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Reliability score 7.2/10 — around the segment average; 4 recall campaigns on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What should I check before buying a used 2005 Infiniti QX56?
Inspect the brakes first — it's the most-reported issue on this model, with 31 owner complaints filed. Typical failure occurs around 101,387 miles. Average repair cost runs about $450 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
Is the 2005 Infiniti QX56 a good used car to buy?
It scores 7.2 out of 10 on our NHTSA-based read of 80 owner complaints. The main thing to watch is brakes. Typical failure occurs around 101,387 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
What's the most common problem on the 2005 Infiniti QX56?
Based on NHTSA records, the most-reported issue is brakes, with 31 complaints filed. Typical failure occurs around 101,387 miles. Average repair cost runs about $450 at an independent shop.
What's the most expensive thing that goes wrong?
The brakes is one of the costlier repair items. Average repair cost runs about $450 at an independent shop. Typical failure occurs around 101,387 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Infiniti QX56 has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2005 Infiniti QX56?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 80 complaints on file and the costliest repair averaging $450, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.
Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database, last synced 21 hours ago. Verify the raw federal record at
nhtsa.gov/vehicle/2005/INFINITI/QX56.
Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics.
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