2006 Buick Terraza: Reliability Data

Source: NHTSA — 95 complaints
95
Total Complaints
42,000mi
Median Mileage
ELECTRONIC STABILITY CONTROL (ESC)
Top Issue
5
Crash Reports

When Do Complaints Happen?

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

13,000 25th Percentile
42,000 Median Mileage
87,560 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRONIC STABILITY CONTROL (ESC)
11
ELECTRICAL SYSTEM
10
SUSPENSION
6
SERVICE BRAKES
6
STRUCTURE:BODY:DOOR
6
STEERING
5
LATCHES/LOCKS/LINKAGES:DOORS:LATCH
4
STRUCTURE:BODY
4
EQUIPMENT
3
VEHICLE SPEED CONTROL
3

Severity Assessment

5
Crashes
0
Fires
10
Injuries
0
Deaths

Sample Complaint Reports

"WHEN DOORS ARE LOCKED, EITHER SLIDING DOOR BUTTON ON REMOTE WILL UNLOCK ALL DOORS AND OPEN SLIDING DOOR WITH DRIVER NOT KNOWING IT LEAVING INTERIOR EXPOSED TO WEATHER, THIEVES, ANIMALS AND ANYTHING ELSE NEARBY. GM REFUSES TO CORRECT IT OR EVEN CONSIDER A BUY BACK. *NM"
"WHEN DOORS ARE LOCKED, EITHER SLIDING DOOR BUTTON ON REMOTE WILL UNLOCK ALL DOORS AND OPEN SLIDING DOOR WITH DRIVER NOT KNOWING IT LEAVING INTERIOR EXPOSED TO WEATHER, THIEVES, ANIMALS AND ANYTHING ELSE NEARBY. GM REFUSES TO CORRECT IT OR EVEN CONSIDER A BUY BACK. *NM"
"THE POWER SLIDING DOORS ON THE BUICK TERAZZA VAN CONTINUALLY REOPEN WHEN THEY ARE CLOSED. THIS IS A SECURITY ISSUE AS ON MORE THAN ONE OCCASION THE DOOR HAS OPENED AS WE WALKED AWAY FROM THE VAN ON A PARKING LOT. THE SERVICE DEPARTMENT CLAIMED THEY CLEANED THE CONTACTS AND THERE WAS NOTHING WRONG ..."

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