AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2002 Porsche Boxster S
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $8,000–$15,000
The 2002 Porsche Boxster S shows an average reliability rating. It primarily faces minor issues related to the power train and lighting. Complaints are minimal, indicating infrequent hard-to-fix issues, though maintenance costs are typically high for luxury sports cars.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| Tiptronic transmission | 40,000–70,000 miles | $1,500–$3,500 | common |
| Headlight system | 30,000–50,000 miles | $500–$1,200 | common |
| Ignition system | 50,000–80,000 miles | $300–$900 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 5,000 miles
- Brake fluid replacement biennially
- Coolant level check annually
- Transmission fluid replacement every 40,000 miles
- Spark plugs every 30,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Ignition key snags
- Low-beam headlight issues
- Shift lever not securing in park
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.