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KLUNK

2007 Porsche 911

The Verdict

88 Smooth Ride

The 2007 Porsche 911 has 49 owner complaints filed with NHTSA. The most reported issues are engine (46 complaints) and body (1 complaints). With a Klunk Score of 88/100, it earns a "Smooth Ride" rating. If you're shopping for a Porsche 911, consider the 2014 model year which has 95% fewer complaints.

Safe Bet

The 2014 has 95% fewer complaints

View the 2014 Porsche 911 dashboard →

88

Klunk Score: Smooth Ride

This vehicle year has significantly fewer complaints than average. A reliable choice.

How is this calculated?

The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.

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Under the Hood

Each number is a complaint. Darker = bigger problem.

YearBodyElectricalEngineTransmission
20001130
20010350
200711461
20142000

By Category

Engine
46
Body
1
Electrical
1
Transmission
1

By Severity

1
22
2
26
4
1

Worst Problems

Complaints

Engine 1

I HAD TO PAY THOUSANDS OF DOLLARS TO HAVE THE COOLANT LINES SECURED INTO THE ENGINE OF MY CAR. THIS CAR HAS A KNOWN FAULT IN WHERE THE COOLANT LINES COME UNSECURED FROM THE VEHICLE, DUMPING ALL COOLANT WITHIN SECONDS. NOT ONLY DOES THIS OVERHEAT THE ENGINE, BUT SLIPPERY COOLANT ALL OVER THE REAR TIRES OF A VEHICLE MEANS A CRASH CAN OCCUR.

76mo ago
Engine 2

THE VEHICLE LOST MOST OF IT'S POWER FROM AN ENGINE FAILURE WHILE TRAVELING AT APPROXIMATELY 60 MPH ON THE INTERSTATE ALMOST CAUSING ME TO BE REAR-ENDED AND A MULTI-CAR PILEUP. I WAS VERY FORTUNATE TO ESCAPE A MAJOR ACCIDENT. AN INDEPENDENT PORSCHE REPAIR SHOP, EURASIAN AUTO, "BORE SCORING" ON CYLINDER 5. FACTORY DEALER, PORSCHE OF BIRMINGHAM, CONFIRMED THAT DIAGNOSIS. THE AUTOMOBILE ONLY HAS 30,000 MILES ON IT. THE ENGINE NOW NEEDS TO BE COMPLETELY REBUILT. I SEARCHED ONLINE AND FOUND NUMEROUS EXAMPLES OF THIS SAME THING HAPPENING HAPPENING TO OTHER OWNERS OF 911S WITH THIS MODEL ENGINE. IT WAS USED IN 911S BETWEEN 05 AND 09. IT OCCURS IN BOTH THE 3,6 LITER ENGINE AND THE HIGHER HORSE POWER 3.8. SOME REPORTS SAY THE FAILURE IS EVEN MORE PREVALENT IN THE 3.8 LITER WHICH IS IN THE S VERSION. MY CAR IS A 3.8 LITER S VERSION. THE PROBLEM IS SO PREVALENT THAT SEVERAL COMPANIES NOW SPECIALIZE IN REMANUFACTURING 05 TO 09 911 ENGINES THAT HAVE SUFFERED BORE SCORING AND PROVIDING "FIXES" SO THAT BORE SCORING WILL NOT HAPPEN AGAIN. THESE COMPANIES INCLUDE FLAT SIX INNOVATIONS, RND, AND STRUTTCARS. IF YOU LOOK AT ANY OF THESE COMPANIES WEBSITES YOU WILL SEE AN EXPLANATION OF THE PROBLEM AND THEIR SOLUTIONS. PORSCHE IS AWARE OF THE PROBLEM AND HAS REFUSED TO ADDRESS THE ISSUE. SO THAT YOU WILL KNOW THIS SAFETY ISSUE IS NOT AN ISOLATED ISSUE, I ENCLOSE SEVERAL ONLINE REFERENCES TO THE PROBLEM. ALSO I WILL KEEP THE CAR GARAGED IN IT'S CURRENT CONDITION FOR 5 MONTHS IF YOU WANT TO TEST IT.

90mo ago
Engine 4

WAS LEAVING FREEWAY AND WENT TO HIT THE BRAKES AND HAD NO TRACTION. HAD SMELLED A LIQUID, WHICH IN RETROSPECT SEEMS TO HAVE BEEN COOLANT. MISSED HITTING OTHER VEHICLES, BUT THE CAR WAS IN A SINGLE CAR ACCIDENT - VEHICLE DAMAGE WAS EXCESSIVE AND THE CAR IS NOT REPAIRABLE. I WAS SERIOUSLY INJURED WITH MULTIPLE BROKEN BONES, FACIAL LACERATIONS, BRUISES, ETC. ORIGINALLY THOUGHT THAT THE BRAKES HAD FAILED, BUT LOSS OF TRACTION WOULD DUPLICATE THE EVENT - BASICALLY SMELLED COOLANT.

98mo ago
Engine 1

PURCHASED VEHICLE FROM PORSCHE DEALER ON JAN 2 2017 AND OPERATED IT 1600 MILES BEFORE IT BLEW A COOLANT FITTING AND EXPELLED COOLANT ALL OVER THE ROAD , REAR TIRE, AND REAR OF CAR. I WAS ON A BUSY INTERSTATE ON RAMP AND HEARD THE BELTS SQUEAL AND SAW STEAM IN THE REAR VIEW MIRROR. I COULD HAVE VERY EASILY LOST TRACTION IF THERE WERE NO CARS AHEAD OF ME GOING SLOW. LUCKILY WAS ABLE TO PULL OVER IMMEDIATELY AND TURN THE CAR OFF BEFORE CAUSING ENGINE DAMAGE. NO ONE BEHIND ME LOST TRACTION IN THE SLICK COOLANT FORTUNATELY . EXTREMELY DANGEROUS CONDITION THAT COULD EASILY CAUSE A SERIOUS ACCIDENT. HAD VEHICLE TOWED TO SELLING DEALER 3 DAYS OUT OF WARRANTY AND RECEIVED AN ESTIMATE OF $5200 TO REPAIR A COOLANT HOSE. OFFERED A 15% DISCOUNT, THEN AN ADDITIONAL $1000 OFF. I RESEARCHED THE COMMON COOLANT FITTING ISSUE WHERE THE EPOXIED FITTING COMES LOOSE OR ONE OF THE PLASTIC FITTINGS BREAK. THE SERVICE MANAGER ACTED LIKE HE HAD NEVER HEARD OF THAT AND SAID THEY WOULD REPLACE THE ONE HOSE . DECLINED REPAIR AND HAD VEHICLE TOWED TO INDEPENDENT SHOP WHERE IT WAS DISCOVERED THAT IT WAS A FITTING , NOT A HOSE AS THE SERVICE ADVISOR HAD STATED. ONE OTHER FITTING WAS ABOUT TO FAIL AS WELL. THIS LARGE WELL KNOWN SHOP PERFORMS UPGRADES TO THESE FITTINGS BY WELDING THEM SO THEY WON'T LET GO. $5000 TO FIX ALL SEVEN FITTINGS. WELD 5 ALUMINUM FITTINGS AND REPLACE THE 2 PLASTIC ONES WITH ALUMINUM AND WELD THEM ALSO. DEFINITELY A DESIGN FLAW THAT COULD PUT A DRIVER AND OTHERS IN A BAD SITUATION. BEEN WITHOUT THE CAR FOR OVER 3 WEEKS SO FAR .

113mo ago
Engine 2

MAJOR COOLANT LEAK ON TOP OF ENGINE ..ENGINE MUST COME OUT $6000 EST AT PORSCHE DEALER. COMMON PROBLEM I TOLD..PORSCHE SHOULD RECALL THIS ISSUE!!

115mo ago
Engine 1

I PURCHASED THIS VEHICLE LISTED ABOVE 2007 PORSCHE 911 TURBO ON MONDAY SEPTEMBER 15TH 2014 FROM CARLSTADT NEW JERSEY. I BEGAN TO DRIVE THE VEHICLE BACK TO WHERE I CURRENTLY LIVE IN SUMMERVILLE, SC. APPROXIMATELY 30 MINUTES INTO THE DRIVE A LIGHT CAME ON IN THE GAUGE WHICH SAID COOLANT FAILURE. I IMMEDIATELY PULLED THE VEHICLE OVER AND TURN THE CAR OFF. I OPENED THE REAR HATCH WHERE THE ENGINE IS HOUSED TO REVEAL STEAM POURING FROM THE BACK OF THE CAR. I CALLED AAA TO HAVE THE CAR TOWED TO THE NEAREST PORSCHE DEALERSHIP OFF THE NEW JERSEY INTERSTATE WHICH HAPPENED TO BE RAY CATENA PORSCHE OF EDISON NEW JERSEY. THE DEALERSHIP HAS VERIFIED THAT INDEED IT WAS A COOLANT FAILURE WHICH HAPPENS ON MODELS WITH GT1 ENGINE BLOCKS INCLUDING MY VEHICLE ABOVE. THE COOLANT FAILURE RESULTING IN ME ALMOST LOSING CONTROL OF THE VEHICLE AND COLLIDING WITH ANOTHER VEHICLE. PORSCHE OF NORTH AMERICA IS REFUSING TO ACKNOWLEDGE THIS AS AN ISSUE ON THESE VEHICLES WHICH IS WHY I'M FILING A COMPLIANT. MY VEHICLE IS PRESENTLY STILL BEING DIAGNOSE FURTHER BY THE DEALER TO SEE IF ANY ADDITIONAL DAMAGE HAS BEEN DONE TO THE MOTOR, WHICH HAS LEFT ME WITHOUT MY VEHICLE FOR OVER THREE WEEKS.

143mo ago
Engine 2

I NOTICED A SMALL COOLANT LEAK FROM THE REAR DRIVERS SIDE OF THE ENGINE. THIS LEAK BECAME MORE PROMINENT OVER THE NEXT SEVERAL DAYS. I TOOK MY CAR TO THE SHOP TO HAVE IT EVALUATED AND IT WAS DETERMINED THAT 4 OUT OF 6 COOLANT FITTINGS WERE LEAKING. THE DESIGN FROM PORSCHE HAS THE COOLANT HOSES AFFIXED USING AN EPOXY. AFTER MANY HEAT CYCLES AND TIME, THIS EPOXY FAILS AND COOLANT LEAKS FROM THE ENGINE. THE ENGINE MUST BE REMOVED TO PROPERLY FIX THE PROBLEM AND IT IS GOING TO COST ME APPROXIMATELY $6,000. THIS IS A KNOWN ISSUE FOR THIS CAR AND IS SOMETHING PORSCHE SHOULD TAKE CARE OF. *TR

147mo ago
Engine 2

"PERMANENT" COOLANT HOSE ATTACHMENT FAILED; IT CAME LOOSE FROM ITS MOUNTING IN THE ENGINE RESULTING IN COOLANT SPRAYED ONTO TIRE, WITH COMPLETE LOSS OF CONTROL DURING A TURN , INCLUDING 270 DEGREE SPIN, AND LEAVING ROADWAY; FORTUNATELY NO OTHER VEHICLES WERE NEARBY, SO A COLLISION WAS AVOIDED. APPARENTLY, THIS IS NOT AN UNUSUAL FAILURE WITH THE GT3 ENGINE. NOTE: THIS WAS NOT A COOLANT HOSE OR HOSE CLAMP FAILURE, THIS WAS A STRUCTURAL FAILURE OF A PERMANENT ENGINE COMPONENT TO WHICH THE COOLANT HOSE MOUNTS. GIVEN THE SERIOUS SAFETY ISSUES AT STAKE, BOTH TO THE DRIVER OF THE VEHICLE AND THOSE ALSO USING THE ROADWAY NEAR THE AFFECTED VEHICLE, IT SHOULD, IN MY OPINION, BE ADDRESSED WITH A SAFETY RECALL AS SOON AS POSSIBLE. THIS IS A DESIGN DEFECT THAT IS UNDETECTABLE UNTIL THE PART FAILS, WITH POTENTIAL LOSS OF LIFE AND SUBSTANTIAL PROPERTY DAMAGE. *TR

147mo ago
Engine 2

ALL CONNECTION PIECES THAT CONNECT TO A RUBBER HOSE ARE LEAKING. THE PIPE THAT COMES OUT OF THE CASTING IS GLUED FROM THE FACTORY. AFTER TIME THE TUBE WILL MOVE AND WATER STARTS COMING OUT IN BETWEEN THE PIPE AND THE CASTING. YOU AN GO TO THIS WEB ADDRESS AND SE WHAT I'M RAKING ABOUT. THIS FROM WHAT I HAVE HEARD AND NOW MY ON CAR IS SOMETHING THAT HAPPENS TO ALL 2007 PORSCHE TURBO ENGINES. THE PROBLEM IS THAT THE CAR IS OUT OF WARRANTY AND PORSCHE DOESN'T WANT TO FIX IT UNDER WARRANTY. I'M GETTING IT FIXED NOW AND COST IS GOING TO BE OVER $2,000.00 DOLLARS. JUST LIKE THE IMS BEARING FAILURE ON PREVIOUS PORSCHE CARS IT'S GOING TO TAKE AWHILE BEFORE PORSCHE WANTS TO DO ANYTHING TO HELP ANYONE WITH THIS ISSUE. HTTP://WWW.YOUTUBE.COM/WATCH?V=WIL2-VBANVK THE ABOVE WEB-SITE WILL SHOW YOU ONE OF THE ISSUES. IT WILL NOT SHOW YOU THAT ALL PIPES ARE OR WILL COME LOOSE. I REALLY WOULD LIKE TO GET THIS COVERED UNDER WARRANTY. THANKS

149mo ago
Transmission 1

CAUSE OF PROBLEM IS DUE TO CLUTCH MASTER SLAVE CYLINDER INTERNAL LEAK. PREMATURE FAILURE OF SLAVE CYLINDER. CLUTCH PADDLE WAS DEPRESS AND WILL NOT RETURN FULLY. FEW DAYS LATER, CLUTCH PADDLE WOULD STAY PUT ON THE FLOOR OF THE CAR. CHECK OUT THE BLOG AND IT IS A VERY COMMON PREMATURE FAILURE FOR THIS TYPICAL MODEL HOWEVER, PORSCHE DIDN'T SELL ENOUGH FOR EVERYONE TO GET ON BOARD WITH THE COMPLAINT. *TR

151mo ago
Engine 2

I NOTICED A SMALL POOL OF COOLANT UNDERNEATH THE ENGINE COMPARTMENT. UPON FURTHER RESEARCH I BELIEVE THE CAR IS SUFFERING FROM A COMMON PROBLEM OF THE COOLING FIXTURES THAT ARE GLUED ONTO THE MOTOR RATHER THAN WELDED. AMAZING THAT A CAR THIS EXPENSIVE WOULD HAVE SUCH A POORLY THOUGHT OUT PROBLEM LIKE THIS. I WILL TAKE THE CAR TO THE DEALER FOR ESTIMATES BUT I UNDERSTAND THAT AN ENGINE REMOVAL IS REQUIRED AND ALL COOLANT FIXTURES NEED TO BE WELDED. THIS IS A RATHER EXPENSIVE REPAIR FOR WHAT APPEARS TO BE A VERY FLAWED DESIGN. I HAVE DRIVEN THE CAR ONLY A FEW TIMES SINCE THE FIRST INCIDENT AND NOTICE A POOL OF COOLANT EVERY TIME THE CAR IS PARKED. I WILL NOT DRIVE THE CAR UNTIL FIXED AS I UNDERSTAND THE COOLANT LEAK CAN BE A HAZARD TO BE ME WHILE DRIVING AS WELL AS THE CARS BEHIND ME IF I SUFFER A CATASTROPHIC COOLANT LOSS. *TR

152mo ago
Engine 2

COOLANT LEAK CAUSED BY FITTING FAILURE. REPAIR REQUIRES ENGINE REMOVAL TO REPLACE PLASTIC FITTINGS. *TR

153mo ago
Engine 2

MY CAR BEGAN LEAKING COOLANT. AFTER TOWING MY CAR TO THE REPAIR SHOP I WAS TOLD MY METAL COOLANT FITTINGS ARE HELD IN WITH EPOXY AND ONE OF THEM HAD FAILED. TO REPAIR THIS IS A $6000.00 JOB. AFTER CALLING THE DEALER I FOUND OUT THIS IS A FAIRLY COMMON PROBLEM BUT THAT PORSCHE IS UNWILLING TO DO ANYTHING TO HELP THE CAR OWNERS PAY FOR IT AT THIS TIME. I THINK ANY TIME YOU HAVE A COMMON PROBLEM THAT IS THAT EXPENSIVE TO FIX YOU SHOULD AT HELP A LITTLE WITH THAT PROBLEM. *TR

155mo ago
Engine 2

COOLANT HOSE COUPLING CAME LOSE WHILE DRIVING THE VEHICLE AT SPEED, RESULTING IN LOSS OF ALL ENGINE COOLANT. COOLANT SPILLED RESULTED IN TEMPORARY REDUCTION OF VEHICLE TRACTION, FORTUNATELY WITHOUT INCIDENT. ENGINE DAMAGE DUE TO POSSIBLE OVERHEATING IS UNDER INVESTIGATION. *TR

156mo ago
Engine 2

SUDDEN COOLANT LINE FITTING FAILURE. THE EPOXY FAILED AND A COOLANT FITTING COMPLETELY POPPED OUT OF THE ENGINE HOUSING NEAR THE ALTERNATOR. RESULTED IN RAPID COOLANT LOSS. CAR HAD TO BE TOWED/HAULED APPROX 140 MILES TO REPAIR FACILITY NEAR MY HOME. I HAVE NOT YET SEEN THE BILL FOR THIS SERVICE. I AM HAVING ALL COOLANT FITTINGS WELDED TO PREVENT THIS FROM HAPPENING TO ANY OF THE OTHER LINES. WORK IS NOT YET COMPLETE BUT THE ESTIMATED BILL IS $3500+. *TR

157mo ago
Engine 1

DRIVING AT A CONSTANT 50MPH AND HAD A VERY STRONG COOLANT SMELL COME THROUGH THE CABIN. PULLED OVER AND SAW COOLANT SLOWLY DRIPPING UNDER ENGINE. LET CAR COOL DOWN AND DROVE HOME. HAVE NOT DRIVEN CAR SINCE. SCHEDULED A APPOINTMENT WITH DEALER FOR 08/08/13. *TR

157mo ago
Engine 2

I WAS DRIVING MY CAR ON I-79(3 LANE HIGHWAY) AT 70 MPH WHEN I NOTICED A LARGE CLOUD OF SMOKE/STEAM FROM THE REAR OF MY CAR. I THEN NOTICED OTHER CARS PULLING OFF TO THE SIDE TO GET AWAY FROM ALL THE COOLANT SPRAYING FROM MY CAR. I PULLED OFF TO THE SIDE OF THE ROAD AND CALLED FOR A TOW TRUCK. OUNCE I WAS ABLE TO GET PORSCHE DEALER TO LOOK AT THE ISSUE, IT WAS INDICATED THAT MY COOLANT FITTINGS FAILED AND SEPARATED FROM THE ENGINE(KNOW ISSUE). *TR

158mo ago
Engine 1

TL* THE CONTACT OWNS A 2007 PORSCHE 911 TURBO. THE CONTACT STATED THAT WHILE PARKED, HE NOTICED A STRONG COOLANT ODOR. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSIS. THE MECHANIC STATED THAT THE COOLANT FITTINGS WOULD HAVE TO BE REPLACED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 22,700. *TR

158mo ago
Engine 1

I WOULD LIKE TO REPORT THAT MY VEHICLE HAS SUFFERED A COMMON REPORTED INCIDENT RELATED TO THE COOLANT HOSES. THE VEHICLES COOLANT HOSES ARE LEAKING. IT APPEARS THEY ONLY HAD ADHESIVE AND ARE NOT THREADED CAUSING THEM TO LEAK. IT APPEARS VERY COMMON AND IS A HIGH RISK AS IT CAN RUPTURE DURING THE DRIVE. *TR

159mo ago
Engine 1

I AM CONCERNED THAT THIS COOLANT HOSE ISSUE WILL EFFECT MY CAR AND CAUSE A SAFETY HAZARD. I FEEL THAT THERE SHOULD BE A RECALL FROM PORSCHE TO FIX THIS. I UNDERSTAND THAT THE ENGINE COOLANT HOSE IS GLUED ON USING EPOXY INSTEAD OF WELDED OR THREADED. ALSO, I DON'T WANT TO HAVE TO SHELL OUT $3.5K TO FIX THIS SHOULD IT FAIL BECAUSE MY WARRANTY HAS EXPIRED. IF THE ACTUAL ENGINE BLOWS AS A RESULT OF THIS FAILURE I AM LOOKING AT WELL OVER $35000 TO REPLACE THE ENGINE AND FIX THE PROBLEM. MY ENGINE COOLANT TEMPERATURE SENSOR HAS ALREADY FAILED AND WAS REPLACED ON 08/17/2012. *TR

159mo ago

49 total

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