2020 Chevrolet Blazer: Reliability Data

Source: NHTSA — 294 complaints
294
Total Complaints
38,000mi
Median Mileage
POWER TRAIN
Top Issue
9
Crash Reports

When Do Complaints Happen?

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

7,000 25th Percentile
38,000 Median Mileage
67,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

POWER TRAIN
65
ELECTRICAL SYSTEM
61
ENGINE
54
UNKNOWN OR OTHER
48
STEERING
29
SERVICE BRAKES
6
SUSPENSION
4
WHEELS
3
TIRES
3
VEHICLE SPEED CONTROL
3

Severity Assessment

9
Crashes
0
Fires
14
Injuries
0
Deaths

Sample Complaint Reports

"WITH APPROXIMATELY 1500 MILES ON THE VEHICLE, THE BLAZER'S AUTOMATIC TRANSMISSION FAILED WHILE DRIVING. I WAS STOPPED AT A RED LIGHT. WHEN THE LIGHT TURNED GREEN, I PROCEEDED SLOWLY THROUGH THE INTERSECTION IN A LEFT TURN. AS SOON AS I LEFT THE INTERSECTION, JUST AS THE VEHICLE WOULD TYPICALLY UP-SH..."
"I WAS DRIVING ABOUT 35MPH GOING STRAIGHT WHEN MY CHEVY BLAZER ACTED AS IF IT 'HIT A BRICK WALL' AND CAME TO A COMPLETE STOP. I GOT OUT AND NOTICED MY RIGHT, FRONT WHEEL WAS COMPLETELY SMASHED INTO MY CAR. SOMETHING HAD COME LOOSE INTERNALLY AND LOCKED UP MY WHEEL. IT DAMAGED MY CAR SO BAD WHERE MY S..."
"I WAS DRIVING ABOUT 35MPH GOING STRAIGHT WHEN MY CHEVY BLAZER ACTED AS IF IT 'HIT A BRICK WALL' AND CAME TO A COMPLETE STOP. I GOT OUT AND NOTICED MY RIGHT, FRONT WHEEL WAS COMPLETELY SMASHED INTO MY CAR. SOMETHING HAD COME LOOSE INTERNALLY AND LOCKED UP MY WHEEL. IT DAMAGED MY CAR SO BAD WHERE MY S..."

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