Worst 2004 Porsche 911 Problems
Top 3 most-reported issues with average mileage at failure.
Engine Problems
Engine & Cooling
Engine And Engine Cooling:Engine
Check the actual VIN — every car is different.
This page shows the model year's reputation. The VIN tells you about this specific car — accidents, title issues, odometer rollbacks. Full report just $4.99 (vs. Carfax $44.99).
All Problems by Category
Every NHTSA complaint category for the 2004 Porsche 911.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine Problems | 6 | 1 | — | 21,008 mi | |
| Engine & Cooling | 1 | — | — | — | |
| Engine And Engine Cooling:Engine | 1 | — | — | — | |
| Transmission / Drivetrain | 1 | 1 | — | — | |
| Body Structure | 1 | 1 | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2004 Porsche 911. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Porsche 911 Years
2004 Porsche 911 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2004 Porsche 911 reliable?
What are common problems with the 2004 Porsche 911?
At what mileage do problems start on the 2004 Porsche 911?
How safe is the 2004 Porsche 911?
Does the 2004 Porsche 911 have any recalls?
Should I buy a 2004 Porsche 911?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Porsche 911 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2004 Porsche 911
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
Check Any VIN — $4.99