2011 Chevrolet Impala: Reliability Data

Source: NHTSA — 844 complaints
844
Total Complaints
65,000mi
Median Mileage
ELECTRONIC STABILITY CONTROL (ESC)
Top Issue
39
Crash Reports

When Do Complaints Happen?

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

41,000 25th Percentile
65,000 Median Mileage
95,465 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRONIC STABILITY CONTROL (ESC)
132
ENGINE
125
ELECTRICAL SYSTEM
91
VEHICLE SPEED CONTROL
67
POWER TRAIN
63
SEATS
61
STEERING
35
SERVICE BRAKES
34
AIR BAGS
34
UNKNOWN OR OTHER
31

Severity Assessment

39
Crashes
8
Fires
46
Injuries
0
Deaths

Sample Complaint Reports

"TL*THE CONTACT OWNS A 2011 CHEVROLET IMPALA. WHILE DRIVING THE VEHICLE AT ANY SPEED, THE CONTACT NOTICED THAT IT WAS DIFFICULT TO SEE THROUGH THE REAR WINDOW DUE TO THE REAR SEAT HEAD RESTS BLOCKING HER VIEW. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE CONTACT WAS INFORMED THAT THE VEHICLE WAS OP..."
"I OWN A 2011 CHEVROLET IMPALA WHICH HAS A SERIOUS TRAFFIC HAZARD INVOLVING THE THREE REAR HEAD RESTS AFFIXED/SEWN - WHICH MAKES THEM NON-ADJUSTABLE. THE PROBLEM IS AGGRAVATED BY THE FACT THAT THE HEAD RESTS ARE HIGHER THAN MOST VEHICLES. THE FIXED POSITION OF THESE HEAD RESTS BLOCK THE DRIVER'S V..."
"I OWN A 2011 CHEVROLET IMPALA WHICH HAS A SERIOUS TRAFFIC HAZARD INVOLVING THE THREE REAR HEAD RESTS AFFIXED/SEWN - WHICH MAKES THEM NON-ADJUSTABLE. THE PROBLEM IS AGGRAVATED BY THE FACT THAT THE HEAD RESTS ARE HIGHER THAN MOST VEHICLES. THE FIXED POSITION OF THESE HEAD RESTS BLOCK THE DRIVER'S V..."

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