2011 Hyundai Equus: Reliability Data

Source: NHTSA — 33 complaints
33
Total Complaints
34,500mi
Median Mileage
SUSPENSION
Top Issue
5
Crash Reports

When Do Complaints Happen?

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

19,487 25th Percentile
34,500 Median Mileage
92,100 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SUSPENSION
11
SERVICE BRAKES
6
ELECTRICAL SYSTEM
4
WHEELS
3
VISIBILITY/WIPER
1
ELECTRONIC STABILITY CONTROL (ESC)
1
EXTERIOR LIGHTING
1
EXTERIOR LIGHTING:BRAKE LIGHTS
1
STEERING
1
UNKNOWN OR OTHER
1

Severity Assessment

5
Crashes
1
Fires
5
Injuries
0
Deaths

Sample Complaint Reports

"SINCE I BOUGHT MY CAR, IT RANDOMLY OPENS THE TRUNK BY ITSELF WITHOUT PUSHING ANY BUTTON ON THE DASHBOARD OR ON THE REMOTE CONTROL. ONE TIME, I ALMOST DROVE BACK INTO A CAR PASSING BY, BECAUSE MY REAR VIEW WAS BLOCKED BY OPENED TRUNK. I AM AFRAID THAT MY TRUNK MAY OPEN WHILE I AM DRIVING BY ITSELF ..."
"SINCE I BOUGHT MY CAR, IT RANDOMLY OPENS THE TRUNK BY ITSELF WITHOUT PUSHING ANY BUTTON ON THE DASHBOARD OR ON THE REMOTE CONTROL. ONE TIME, I ALMOST DROVE BACK INTO A CAR PASSING BY, BECAUSE MY REAR VIEW WAS BLOCKED BY OPENED TRUNK. I AM AFRAID THAT MY TRUNK MAY OPEN WHILE I AM DRIVING BY ITSELF ..."
"THIS WAS THE DATE OF THE FIRST INCIDENT, ANOTHER INCIDENT HAPPENED THREE MONTHS LATER. WE WERE JUST DRIVING ALONG AND THE AIR SUSPENSION SYSTEM FAILED AND THE WHOLE CAR, MOSTLY THE FRONT DROPPED A NUMBER OF INCHES, WE COULD BARELY DRIVE HOME AND HAD TO HAVE VEHICLE TOWED, SEEMS TO BE A VERY UNSAFE I..."

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