Complaints
10
Crashes
3
Fires
0
Injuries
3
Fatalities
—
Recalls
0
Worst 2004 Porsche 911 Problems
Top 3 most-reported issues with average mileage at failure.
#16 complaints
ENGINE
Avg mileage:21,008 mi
Crash-related:1
#21 complaints
ENGINE AND ENGINE COOLING
Avg mileage:41,666 mi
#31 complaints
ENGINE AND ENGINE COOLING:ENGINE
Avg mileage:12,000 mi
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All Problems by Category
Every NHTSA complaint category for the 2004 Porsche 911.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| ENGINE | 6 | 1 | — | 21,008 mi | |
| ENGINE AND ENGINE COOLING | 1 | — | — | 41,666 mi | |
| ENGINE AND ENGINE COOLING:ENGINE | 1 | — | — | 12,000 mi | |
| POWER TRAIN | 1 | 1 | — | 12,000 mi | |
| STRUCTURE:BODY | 1 | 1 | — | 12,000 mi |
ENGINE
6
complaints
Crashes
1
Fires
—
Avg Miles
21,008
ENGINE AND ENGINE COOLING
1
complaints
Crashes
—
Fires
—
Avg Miles
41,666
ENGINE AND ENGINE COOLING:ENGINE
1
complaints
Crashes
—
Fires
—
Avg Miles
12,000
POWER TRAIN
1
complaints
Crashes
1
Fires
—
Avg Miles
12,000
STRUCTURE:BODY
1
complaints
Crashes
1
Fires
—
Avg Miles
12,000
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
Wider context: See the full Porsche 911 reliability report with year-by-year comparison and generation analysis.
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Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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