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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 August 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.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2005 QX56 (this page) | 80 | 4 |
| 2006 QX56 | 79 | 4 |
| 2007 QX56 | 21 | 2 |
| 2008 QX56 | 52 | 4 |
Solid reliability overall. Common issues are concentrated in a few systems.
Worth owning if you verify the specific issues below before you buy.
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.
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.
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.
See the full pre-purchase inspection checklist →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.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
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)
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
This could cause engine stalling increasing the risk of a crash.
If the collar weld separates, the vehicle handling will deteriorate, possibly resulting in a vehicle crash.
This could cause the vehicle to run out of gas and stall on the highway, which could cause a crash.
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.
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.
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.
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.
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.
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.
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.
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.