Tl* the contact owns a 2011 Infiniti qx56. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from the vehicle. The contact pulled over and inspected underneath the vehicle. The contact became aware that the rear lower control arm on the passenger's side was fractured in half. The driver's side rear control arm also showed evidence of a similar…
2011 INFINITI QX56 suspension problems
severe 8 complaints filed with NHTSA · avg repair $900 · see suspension across all vehicles →
Complaints
8
Recalls
0
Avg fix
$900
1fire
When does it fail?
Of the 8 suspension complaints filed for the 2011 INFINITI QX56, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Of the 5 model years of INFINITI QX56 we track for suspension problems, this one carries the most owner complaints on file — 8.
No new NHTSA suspension complaint has been filed on this vehicle in over 5 years — the issue may be aging out of the active population.
What owners are reporting 3 most recent
Timing chain started rattling @ 125,000 miles.. However, my VIN shows no recall for my car. Cats went bad, had to be replaced and now need to be replaced again. Yet no recall on my car. The battery constantly goes dead in the car. I bought a new infinity battery in the car the same thing happened. You can reproduce this problem by sitting in the car listening to the radio for 30 minutes. I…
The air suspensions of this SUV goes out. The white paint for my 2011 gx56 is peeling all over the vehicle. And needs to be painted asap. This vehicle is a luxury truck that's peeling bad.
Had suspension trouble with your 2011 INFINITI QX56?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the suspension problem on the 2011 INFINITI QX56?
It's a meaningful issue. 8 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $900.
At what mileage does the suspension typically fail?
Based on the 8 complaints filed, suspension issues most often appear around 78,880 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $900 for suspension repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to suspension?
No active recalls currently cover suspension issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2011/INFINITI/QX56.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.