AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2003 Pontiac Aztek
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $4,800–$7,200
The 2003 Pontiac Aztek has faced multiple issues, notably with the fuel system and electrical systems. Frequent recalls on the fuel tank and other parts, combined with numerous complaints about electrical and other key systems, contribute to its below-average reliability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| fuel system | 70,000–100,000 miles | $400–$900 | very common |
| electrical system | 60,000–90,000 miles | $300–$800 | common |
| brakes | 50,000–80,000 miles | $200–$600 | common |
| engine cooling | 80,000–110,000 miles | $500–$1,200 | occasional |
| steering | 60,000–100,000 miles | $300–$700 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- oil change every 5,000 miles
- brake inspection annually
- coolant flush every 50,000 miles
- tire rotation every 6 months
- transmission service every 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- frequent stalling
- unusual fuel odors
- steering wheel vibration
- brake pedal noise
- erratic electrical behavior
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.