AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2005 Pontiac Aztek
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $5,000–$9,000
The 2005 Pontiac Aztek exhibits below-average reliability with issues in the electrical system leading complaints. A single recall and multiple complaints about the fuel system and powertrain also contribute to its low reliability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| electrical system | 50,000–80,000 miles | $400–$900 | very common |
| fuel system | 60,000–100,000 miles | $300–$700 | common |
| engine | 80,000–120,000 miles | $500–$1,500 | common |
| powertrain | 70,000–110,000 miles | $700–$2,000 | occasional |
| service brakes | 80,000–100,000 miles | $300–$600 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 5,000 miles
- Brake fluid replacement every 2 years
- Transmission service every 60,000 miles
- Coolant system flush every 30,000 miles
- Air filter replacement annually
- Tire rotation every 10,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Electrical glitches or malfunctions
- Fuel smell indicating possible leaks
- Rough engine idle or stalling
- Transmission slipping or jerking
- Unresponsive vehicle speed control
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.