2006 Chevrolet Avalanche 1500: Reliability Data

60
Total Complaints
83,000mi
Median Mileage
Service Brakes
Top Issue
6
Crash Reports

When Do Complaints Happen?

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

32,868 25th Percentile
83,000 Median Mileage
134,775 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Service Brakes
8
Power Train
7
Air Bags
6
Fuel/Propulsion System
4
Automatic Transmission
3
Electrical System
3
Body
3
Engine
3
Electronic Stability Control (Esc)
3
Unknown Or Other
2

Severity Assessment

6
Crashes
2
Fires
2
Injuries
0
Deaths

Sample Complaint Reports

"DT*: THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THERE WAS A QUIVER IN THE 2006 CHEVROLET KODIAK, THEN THE RECEIVER FELL OFF. THE VEHICLE WAS SLOWED DOWN, WHICH RESULTED IN THE TRAILER STRIKING THE TRUCK. A POLICE REPORT WAS FILED ON THE SCENE. THE POLICE OFFICER NOTED THAT THERE WAS NO PEN..."
"AGGRESSIVE DRIVING/TAILGATING/EXCESSIVE SPEED BY A GOVERNMENT VAN- TAG G 4/3 1335B AT 2:05 PM, JULY 20, 2006 ON AND NEAR THE WOODROW WILSON BRIDGE, WASHINGTON DC. PLEASE PASS THIS INFORMATION ALONG TO THE APPROPRIATE AGENCY. *NM"
"BRAKE,STEERING FAILURES AND STEERING ISSUES. *JB"

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

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Service Brakes 8 complaints
25th: 113,000 mi Median: 143,294 mi 75th: 148,397 mi
Power Train 7 complaints
25th: 69,000 mi Median: 83,000 mi 75th: 127,000 mi
Air Bags 6 complaints
25th: 9,235 mi Median: 35,000 mi 75th: 68,000 mi
Fuel/Propulsion System 4 complaints
Median: 68,000 mi
Automatic Transmission 3 complaints
Median: 79,100 mi

Where Are Complaints Coming From?

Top states by complaint count.

PA: 9 FL: 5 CO: 5 CA: 4 MS: 4 MO: 3 NE: 3 WA: 3 CT: 3 NY: 3

Who Files Complaints?

20%
Original Owners
80%
Second+ Owners

Chevrolet Avalanche 1500 — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
200218422
20032129
200417411
20051512
20071425
2008491
2009270
2011431
2012200
2013381

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