YearToAvoid

2005 Buick Terraza Electrical System Problems

NHTSA has 39 owner complaints about electrical problems in the 2005 Buick Terraza, 33% of all 120 complaints for this model year. That is the highest electrical complaint count among 4 Terraza model years. These complaints report 2 crashes, 1 fire, and 2 injuries. Median mileage at failure: 35,875 miles.

Electrical System complaints
39
33% of 120 complaints
All complaints this year
120
Crashes reported
2
Fires reported
1
Injuries reported
2
Median mileage
35,875 mi
Related recalls
0

When 2005 Buick Terraza electrical complaints were filed

First complaint Feb 16, 2005, latest Aug 6, 2018.

2005 Buick Terraza electrical system complaints: complaints filed per month3Feb 2005Nov 2005Jun 2006Apr 2007Apr 2011Mar 2014Jan 2015Aug 2018
39 complaints filed with NHTSA from Feb 2005 to Aug 2018; peak Aug 2005 (3).

Electrical System recalls for the 2005 Buick Terraza

No safety recalls on record for this model year.

Electrical System complaints by Terraza model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 200539 (33%)
  2. 200611 (20%)
  3. 20074 (12%)
  4. 20080 (0%)

Frequently asked questions

Does the 2005 Buick Terraza have electrical problems?
NHTSA has 39 owner complaints about the electrical in the 2005 Buick Terraza, 33% of all complaints for this model year, including 2 that report a crash. Median mileage at failure is 35,875 miles.
Which Buick Terraza year has the most electrical complaints?
The 2005 Buick Terraza has the most electrical complaints (39), compared with 39 for the 2005.
Is there a electrical recall for the 2005 Buick Terraza?
No NHTSA recall campaign for the 2005 Buick Terraza is classified under electrical system. Complaints alone do not trigger a recall; check the full recall list and your VIN.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.