Total Complaints
4 filings
PORSCHE 911 · model year
2005 PORSCHE 911
4 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2005PORSCHE911 carries 4 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2005 911 is engine with 3 filings, followed by wheels (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 5 investigation files overlapping the 2005 911. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
4
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| ENGINE | 3 |
| WHEELS | 1 |
Recent Complaints
20130731ENGINE
DUE TO HIGHLIGHTED PROBLEMS WITH THE COOLING SYSTEM (NAMELY THE FITTINGS POPPING OFF) ON THE 2005 PORSCHE 911 GT3 IN VARIOUS FORUMS AND WEB SITES. I HAVE DECIDED TO PERFORM PREVENTATIVE MAINTENANCE AND TO ALLEVIATE SAFETY CONCERN WITH THE COOLING SYSTEM (FITTING AND HOSES) TO WELD THE COOLANT CUPLINGS. *TR
Mileage: 32,100
20130621ENGINE
I WAS DRIVING ON A SATURDAY NIGHT ON INTERSTATE 79 NORTHBOUND AT APPROXIMATELY MILE MARKER 3 BETWEEN MINK SHOALS AND ELKVIEW, WV. I HAD JUST PICKED UP A PIZZA AND I WAS HEADED HOME A FEW MILES FROM MY HOUSE. I WAS GOING UPHILL WHEN I HEARD A POP AND SAW A HUGE PLUME OF STEAM SHOOT OUT FROM BEHIND MY CAR. I THEN TAPPED THE BRAKES AND THE REAR RIGHT TIRE GOT A LITTLE LOOSE AS IT HAD ANTIFREEZE COOLANT SPRAYING DIRECTLY ON IT. I MANAGED TO GET MY CAR HOME AS IT WAS QUICKLY STARTING TO GET HOT AND CLOSE TO OVERHEATING AS THERE WAS NO COOLANT LEFT. I GOOGLED "PORSCHE 911 COOLANT LINE FAILURE" AND QUICKLY LEARNED THAT MY ISSUE HAD HAPPENED TO MANY OTHERS.I LEARNED THAT FROM THE FACTORY PORSCHE GLUES/EPOXIES THE COOLANT FITTINGS INTO THE ENGINE BLOCK AND OVER TIME AND MANY HEAT CYCLES LATER THE GLUE/EPOXY FAILS AND THE COOLANT SPRAYS EVERYWHERE AND MANY TIMES DIRECTLY ON THE REAR TIRES. THIS CREATES AN UNSAFE ENVIRONMENT FOR THE DRIVER AND PASSENGER AND ANYONE IN THE IMMEDIATE VICINITY. I P
Mileage: 41,000
20130621WHEELS
I WAS DRIVING ON A SATURDAY NIGHT ON INTERSTATE 79 NORTHBOUND AT APPROXIMATELY MILE MARKER 3 BETWEEN MINK SHOALS AND ELKVIEW, WV. I HAD JUST PICKED UP A PIZZA AND I WAS HEADED HOME A FEW MILES FROM MY HOUSE. I WAS GOING UPHILL WHEN I HEARD A POP AND SAW A HUGE PLUME OF STEAM SHOOT OUT FROM BEHIND MY CAR. I THEN TAPPED THE BRAKES AND THE REAR RIGHT TIRE GOT A LITTLE LOOSE AS IT HAD ANTIFREEZE COOLANT SPRAYING DIRECTLY ON IT. I MANAGED TO GET MY CAR HOME AS IT WAS QUICKLY STARTING TO GET HOT AND CLOSE TO OVERHEATING AS THERE WAS NO COOLANT LEFT. I GOOGLED "PORSCHE 911 COOLANT LINE FAILURE" AND QUICKLY LEARNED THAT MY ISSUE HAD HAPPENED TO MANY OTHERS.I LEARNED THAT FROM THE FACTORY PORSCHE GLUES/EPOXIES THE COOLANT FITTINGS INTO THE ENGINE BLOCK AND OVER TIME AND MANY HEAT CYCLES LATER THE GLUE/EPOXY FAILS AND THE COOLANT SPRAYS EVERYWHERE AND MANY TIMES DIRECTLY ON THE REAR TIRES. THIS CREATES AN UNSAFE ENVIRONMENT FOR THE DRIVER AND PASSENGER AND ANYONE IN THE IMMEDIATE VICINITY. I P
Mileage: 41,000
20130417ENGINE
COOLANT PIPE FAILURE AT GLUED FITTINGS WITHIN ENGINE. *TR
Mileage: 22,000
Compare 2005PORSCHE911 to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 2005 PORSCHE 911 have?▼
The 2005 PORSCHE 911 has 4 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2005 PORSCHE 911?▼
The most-complained component for the 2005 PORSCHE 911 is ENGINE with 3 complaints. Other frequently reported areas include WHEELS.
Is the 2005 PORSCHE 911 safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.