Porsche 911 Carrera Problems by Model Year
NHTSA recorded 20 consumer complaints across the 2 model years of the Porsche 911 Carrera (1999–2004) that have at least 5 complaints. 1999 has the most, with 13. Across all years, the part named most often is air bags (9 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All 911 Carrera model years
Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.
| Year | Complaints | Median mi | Recalls | TSBs | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|
| 2004 | 7 | 28,500 | 0 | 373 | — | Not enough data |
| 1999 | 13 | 48,750 | 1 | 126 | — | Not enough data |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Air bags9 35%
- Engine cooling5 19%
- Seat belts4 15%
- Transmission and drivetrain2 7.7%
- Fuel system2 7.7%
- Electrical system2 7.7%
- Vehicle speed control1 3.8%
- Suspension1 3.8%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
1999: “Porsche has a fault with their 911 and boxster automobiles that causes an airbag fault light to illuminate on the instrument cluster. The cause of this is well known by Porsche and has been addressed with a Porsche TSB 911 (996) 1/04 6924 airbag warning light comes on: fault codes 45, 46, 48 and 49. This TSB outlines the problem and gives the procedure for correcting it. I believe this to be a safety issue that relates to the seat belt system and therefore should be covered by an extended warranty. The details of my situation are below. …”
NHTSA complaint #10150266, filed 2006-02, 30,500 miles2004: “Catastrophic engine failure of 2004 Porsche 911 4s w/o warning. Well documented early version of model 996 intermediate shaft failure requiring complete engine replacement. Known product defect subsequently corrected in later versions. No notification by manufacturer or distributor to consumers. Hazardous and costly major product defect.”
NHTSA complaint #10365249, filed 2010-11, 29,000 milesOther Porsche models
500 complaintsPorsche Taycan
274 complaintsPorsche Macan
241 complaintsPorsche Boxster
153 complaintsPorsche 911
111 complaintsPorsche Panamera
100 complaintsPorsche Cayenne S
99 complaintsPorsche 911 Turbo
76 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology