2003 Pontiac Aztek: Reliability Data

Source: NHTSA — 187 complaints
187
Total Complaints
73,000mi
Median Mileage
ELECTRICAL SYSTEM
Top Issue
6
Crash Reports

When Do Complaints Happen?

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

33,500 25th Percentile
73,000 Median Mileage
108,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
19
FUEL/PROPULSION SYSTEM
12
FUEL SYSTEM, GASOLINE
10
ENGINE AND ENGINE COOLING
9
STEERING
8
POWER TRAIN:AUTOMATIC TRANSMISSION
8
SUSPENSION:FRONT:WHEEL BEARING
6
ENGINE
5
FUEL SYSTEM, GASOLINE:STORAGE
5
SERVICE BRAKES
5

Severity Assessment

6
Crashes
8
Fires
9
Injuries
0
Deaths

Sample Complaint Reports

"REPLACED ABS CONTROL UNIT MODULE DUE TO AN INTERNAL SHORT. ALSO, REPLACED FRONT AND REAR BRAKE ROTORS. *AK"
"REPLACED ABS CONTROL UNIT MODULE DUE TO AN INTERNAL SHORT. ALSO, REPLACED FRONT AND REAR BRAKE ROTORS. *AK"
"THE BRAKES LOCKED UP WHEN THEY WERE APPLIED, WHICH CAUSED THE VEHICLE TO EXPERIENCE EXTENDED STOPPING DISTANCE.*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.

ELECTRICAL SYSTEM 19 complaints
25th: 73,286 mi Median: 97,800 mi 75th: 130,250 mi
FUEL/PROPULSION SYSTEM 12 complaints
25th: 90,000 mi Median: 150,000 mi 75th: 160,007 mi
FUEL SYSTEM, GASOLINE 10 complaints
25th: 67,000 mi Median: 77,000 mi 75th: 85,250 mi
ENGINE AND ENGINE COOLING 9 complaints
25th: 43,423 mi Median: 53,588 mi 75th: 67,000 mi
STEERING 8 complaints
Median: 120,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

MI: 22 OK: 18 PA: 12 OH: 12 FL: 11 NY: 11 MO: 9 TN: 9 NJ: 9 TX: 8

Who Files Complaints?

28.3%
Original Owners
71.7%
Second+ Owners

Pontiac Aztek — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
200132924
20021733
2004968
2005432

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