"How reliable is the 2011 Infiniti Qx56?"

"Based on 94 NHTSA complaints, the 2011 Infiniti Qx56 has a median complaint mileage of 90000 miles. The most common issue is ENGINE."

"What are common problems with the 2011 Infiniti Qx56?"

"The most frequently reported component in NHTSA complaints for the 2011 Infiniti Qx56 is ENGINE, accounting for a significant portion of the 94 total complaints filed."

2011 Infiniti Qx56: Reliability Data

Source: NHTSA — 94 complaints

Total Complaints

90,000mi

Median Mileage

ENGINE

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

70,902 25th Percentile

90,000 Median Mileage

120,816 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE

FUEL/PROPULSION SYSTEM

SUSPENSION

UNKNOWN OR OTHER

POWER TRAIN

ELECTRICAL SYSTEM

FUEL SYSTEM, GASOLINE

STRUCTURE:BODY

VISIBILITY:WINDSHIELD

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"TRAVELING AT 1 MPH, MY 2011 INFINITI QX56 BUMPED ANOTHER VEHICLE. THERE WAS NO DAMAGE TO EITHER VEHICLE, BUT MY DRIVER AIRBAG DEPLOYED. INFINITI IS REFUSING TO LOOK AT THE VEHICLE UNLESS MY INSURANCE COMPANY ASKS THEM TO. I FEEL THIS LOW SPEED DEPLOYMENT IS FROM A DEFECT IN THIS WEEK OLD VEHICLE, ..."

"OUR 2011 INFINITI QX56 CANNOT BE PROPERLY CONTROLLED AT SPEED WHEN ANY ROUGH PAVEMENT, POT HOLE, BRIDGE CONNECTION JOINTS, OR SIMILAR IS RAN OVER. THE VEHICLE SHAKES VIOLENTLY WITH LITTLE IF ANY CONTROL BY THE DRIVER. ON NUMEROUS OCCASIONS THE VEHICLE DRIFTS OUT OF THE LANE. NO ACCIDENTS HAVE EVER..."

"TL* THE CONTACT OWNS A 2011 INFINITI QX56. THE CONTACT STATED THAT THERE WAS A SIX INCH FRACTURE IN THE FRONT WINDSHIELD UNDER THE WIPER. THE VEHICLE WAS PARKED OVERNIGHT IN A RESIDENTIAL DRIVEWAY AND THE FRACTURE WAS NOT PRESENT THE NIGHT BEFORE. THE CONTACT TOOK THE VEHICLE TO THE DEALER WHERE TH..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28