2020 Chevrolet Impala: Reliability Data

Source: NHTSA — 23 complaints
23
Total Complaints
UNKNOWN OR OTHER
Top Issue
2
Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

UNKNOWN OR OTHER
5
STEERING
3
ELECTRICAL SYSTEM
3
AIR BAGS
2
POWER TRAIN
2
SEATS
1
STRUCTURE:BODY
1
EXTERIOR LIGHTING:HEADLIGHTS
1
ENGINE
1
FUEL/PROPULSION SYSTEM
1

Severity Assessment

2
Crashes
0
Fires
1
Injuries
0
Deaths

Sample Complaint Reports

"The contact rented a 2020 Chevrolet Impala. The contact stated that the headlamps failed to produce adequate lighting while driving. There were no warning lights illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failu..."
"The air conditioner tube was off inside the vehicle and caused massive leaking in the carpets. Causing mold to grow excessively under the floor mats, in the carpets, under the seats, etc. Which as a result led to electrical issues. It’s being looked into by a senior member at GM for months now, no..."
"The air conditioner tube was off inside the vehicle and caused massive leaking in the carpets. Causing mold to grow excessively under the floor mats, in the carpets, under the seats, etc. Which as a result led to electrical issues. It’s being looked into by a senior member at GM for months now, no..."

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