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2007 Pontiac Grand prix

The Verdict

50 Proceed with Caution

The 2007 Pontiac Grand prix has 220 owner complaints filed with NHTSA. The most reported issues are electrical (125 complaints) and engine (35 complaints). With a Klunk Score of 50/100, it earns a "Proceed with Caution" rating. If you're shopping for a Pontiac Grand prix, consider the 2003 model year which has 45% fewer complaints.

Safe Bet

The 2003 has 45% fewer complaints

View the 2003 Pontiac Grand prix dashboard →

50

Klunk Score: Proceed with Caution

About average for complaint volume. Research the specific issues before buying.

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.

YearBodyBrakesElectricalEngineTransmission
200094237024234
20014985918418
200254258216314
2003241022594
20041284312414315
20053612432235
20063319884257
20072861253526
20082012672716

By Category

Electrical
125
Engine
35
Body
28
Transmission
26
Brakes
6

By Severity

1
71
2
115
3
2
4
30
5
2

Worst Problems

Complaints

Electrical 2

The contact owns a 2007 Pontiac Grand Prix. The contact stated while driving approximately 35 MPH, there was a sudden loss of power steering functionality. The contact coasted to a stop and restarted the vehicle with the ignition key. The contact stated that after restarting the vehicle, the vehicle regained power steering functionality. There were no warning lights illuminated. The contact stated that the failure occurred at various speeds. The contact referenced NHTSA Campaign Number: 14V400000 (Electrical System); however, the VIN was not included. The vehicle was taken to a certified mechanic to be diagnosed. The vehicle had not been repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 42,000.

21mo ago
Engine 4

On March 27th, 2023, the car was parked and off for only approximately 5 minutes when the engine caught fire. The engine and vehicle is a complete loss. A claim has been filed with Farm Bureau insurance. There were no engine warning lights, smells, or smoke during or after driving, until the 5 minutes passed when the car was turned off. I did not locate any engine recalls due to fire for a 2007 Grand Prix. I noticed earlier models recalled due to potential fire.

40mo ago
Electrical 2

The contact owns a 2007 Pontiac Grand Prix. The contact stated while driving at night the headlights had started to fail and would not properly illuminate. The contact stated that the fog lights and hi-beam worked as designed. The contact had taken the vehicle to a local dealer in 2021 to be repaired under NHTSA Campaign Number: 15V519000 (Exterior Lighting); however, the contact stated that following the recall repair, the headlights started to fail. The contact was informed that the vehicle would be diagnosed and repaired out-of-pocket. The vehicle had not been repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 102,000.

40mo ago
Electrical 2

The multifunction/turning signal switch is malfunctioning. It started in 2012 about a year after I purchased the car. The brights would randomly turn on without me touching the switch and then the brights would turn on when I'd use my turning signal. I delt with it for several years, but eventually it got so bad that the brights wouldn't even turn off at all. I would have to drive with my finger holding the switch to keep the brights off. It made it extremely difficult to drive the car, especially when I had to turn. It was very unsafe not having full control of the steering wheel just to keep the brights off. I finally decided to have the switch replaced in 2019 and it seemed to solve the issue until about 6 months ago. The brights started randomly coming on and now they are on all the time and won't shut off. I feel incredibly unsafe driving because of having to hold the switch so it stays off. I'm sure it's a nuisance/unsafe for other drivers to have bright lights in their eyes all the time while driving too. I believe the switch is faulty based on the fact that I've had two and have had the same issue with both of them.

54mo ago
Body 1

steering wheel refusing to lock. therefore safety issue as car locks will not lock as a result. no messages or warning lights or behaviors. this happened once a year ago. and was able to lock steering by moving wheel and moving key in ignition.

59mo ago
Engine 2

The TRANSMISSION NEEDS TO BE RECALLED ITS GOING TO CAUSE A DEADLY ACCIDENT WHILE IN DRIVE LEAVING A STOP LIGHT A CAR NEARLY SLAMMED INTO ME FROM BEHIND WHEN LIGHT CHANGED CAR HAD NO POWER TO GO. ON HIGHWAY IT DOES A SUDDEN HARD JERK WITH LOSS OF POWER SHIFTING INTO NXT GEAR.

61mo ago
Engine 2

I HAVE SAME PROBLEM AS OTHERS. HAVE BEEN ABLE TO START CAR SOMETIMES BY PUTTING IT IN NEUTRAL. SEVERAL YEARS AGO I LEFT THE CAR WITH OUR SON TO SEE IF HE COULD FIGURE OUT THE PROBLEM BECAUSE MY WIFE QUIT DRIVING THE CAR AFTER BEING STRANDED A FEW TIMES. WHEN USING BLINKERS THE HIGH BEAM WOULD COME ON. IT HAS A ROARING SOUND LIKE A WHEEL BEARING GOING OUT.THE KEY FOB DOESN'T WORK. I'VE BEEN TOLD THE BCM BODY CONTROL MODULE COULD BE CAUSING PROBLEMS. HAD ESTIMATE OF $500 TO REPLACE AND PROGRAM NEW BCM.. WE HAVE TOWED CAR HOME AFTER GOING TO STORE. I USED TO DRIVE OTR SO WE GOT A SECOND VEHICLE TO DRIVE. AFTER READING OTHER POSTS ON THIS CAR 4/4/2021 I DON'T THINK I WANT TO PUT MORE MONEY INTO IT. ESPECIALLY WHEN I'VE READ GM TECHS CAN'T FIX THE PROBLEMS.. ONCE THE VACUUM LINE TO BRAKE BOOSTER CAME OFF WHEN MY WIFE WAS GOING DOWN HILL. I PUT THE LINE BACK ON, IT HASN'T DONE THAT AGAIN. WE HAVE NOT DRIVEN THE CAR OUT OF TOWN FOR FEAR OF IT BREAKING DOWN. AND SHOPS NOT BEING ABLE TO TELL US WHAT IS WRONG WITH IT.. I TIED A CABLE ON TRUNK RELEASE SO I CAN OPEN TRUNK. . WE DID LOVE THE CAR WHEN IT WAS RUNNING. HAS 193,000K AT THIS TIME. HAS STALLED/QUIT ON CITY STREETS. AND WE QUIT DRIVING IT ON HIGHWAY.

64mo ago
Electrical 2

MY 2007 PONTIAC GRAND PRIX HAD A HEADLAMP SWITCH PROBLEM. I WOULD BE DRIVING AT NIGHT AND THE HEADLIGHTS WOULD JUST GO OUT. SOMETIMES IF YOU'D KEEP THEM ON LOW BEAM YOU'D HAVE LIGHTS. BUT SOMETIMES EVEN THIS DIDN'T WORK. THERE WAS A RECALL IN THIS SO I TOOK IT IN FOR THE REPAIR. IT WORKED FOR A COUPLE OF MONTHS BUT THEN QUIT WORKING AND THE LIGHTS WOULD GO OUT AGAIN. WE PARKED THE CAR FOR A WHILE. THEN GAVE IT TO MY DAUGHTER AND HER HUSBAND. WE RECENTLY GOT THE CAR BACK FROM MY DAUGHTER BECAUSE THEY HAD BECAUSE OF THE SAME REASON. THEY WERE HAVING THE SAME PROBLEM. I CALLED A GM DEALERSHIP HERE IN TOWN AND THEY SAID IT WASN'T COVERED. I THEN CALLED GM DIRECTLY AND WAS TOLD THAT I WOULD BE RESPONSIBLE FOR THE REPAIR.

70mo ago
Engine 2

I HAVE A SECONDARY AIR ISSUE THAT WE CAN'T SEEM TO GET FIXED, EVEN WITH ALL THE PARTS WE HAVE REPLACED. ALSO AT NIGHT EVERY TIME I USE MY BLINKER THE HIGH BEAMS COME ON AND WON'T TURN OFF. THE ISSUE IS WHEN IM DRIVING AT NIGHT IT SEEMS TO HAPPEN WHEN MY BLINKER CLICKS BACK INTO PLACE.

70mo ago
Engine 2

PONTIAC WONT START, CHANGED STARTER, SAW RECALL FOR IGNITION SWITCH. RACK & PINION LEAK, COVER GASKET LEAK, SAW RECALL. AIR BAG CODE CAME UP.

80mo ago
Electrical 2

MY LOW BEAM HEAD LIGHTS ARE BEGINNING TO FAIL. MY DRIVER SIDE HEADLIGHT NO LONGER TURNS ON AND I BELIEVE IT BE THE FAILURE OF THE HOOD LAMP DRIVER MODULE. AFTER REPLACING ALL BULBS AND CHECKING ALL FUSES. I HAVE CONCLUDED IT IS THIS RELAY THAT IS CAUSING MY DAYTIME RUNNING LIGHTS TO FAIL. THERE IS DOCUMENTATION THAT THIS IS A KNOWN FAILURE BUT MY CAR IS NOT SHOWING UP ON THE RECALL LIST.

80mo ago
Transmission 2

TL* THE CONTACT OWNS A 2007 PONTIAC GRAND PRIX. WHILE APPROACHING AN INTERSECTION, THE VEHICLE SEIZED WITHOUT WARNING. THE CONTACT MANAGED TO MOVE THE VEHICLE TO THE SHOULDER OF THE ROAD WITH THE HELP OF A BYSTANDER. THE CONTACT BELIEVES THE KEY FELL OUT OF THE IGNITION. THE POWER STEERING AND BRAKES WENT OUT, PLACE THE GEAR INTO PARK. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO WAS UNABLE TO DUPLICATE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE DEALER AND MANUFACTURER WERE NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 52,000. *BF*JB

81mo ago
Electrical 4

TL* THE CONTACT OWNS A 2007 PONTIAC GRAND PRIX. WHILE DRIVING 35 MPH, THE CONTACT'S VEHICLE ACCELERATED INDEPENDENTLY WITHOUT WARNING AND CRASHED INTO THE REAR OF ANOTHER VEHICLE. THE CONTACT THEN VEERED OFF THE ROAD, CRASHED INTO A PINE TREE, AND FLIPPED OVER. THE AIR BAGS DID NOT DEPLOY AND THE SEAT BELT SNAPPED AS THE VEHICLE FLIPPED. THE CONTACT AND OTHER DRIVER WERE BOTH EVALUATED AT THE SCENE. THE CONTACT LATER SOUGHT MEDICAL ATTENTION FOR A BROKEN ARM. A POLICE REPORT WAS FILED. THE VEHICLE WAS INITIALLY TOWED TO A TOW YARD AND THEN TO THE CONTACT'S HOME. THE VEHICLE WAS NOT DESTROYED; HOWEVER, THE VEHICLE WAS DEEMED INOPERABLE. THE MANUFACTURER AND DEALER WERE NOT NOTIFIED OF THE CRASH OR THE AIR BAG FAILURE. THE CAUSE OF THE FAILURES WAS NOT DIAGNOSED. THE FAILURE MILEAGE WAS 256,000.

81mo ago
Engine 2

MY "REDUCED ENGINE POWER" LIGHT CAME ON. USED A SNAP ON $5000 SCANNER. CODES SAY GAS PEDAL SENSOR. CHANGED THAT PROBLEM STILL EXISTS. CLEANED THROTTLE CASE. CAR STALLS AND I HAVE TO PRESS GAS PEDAL TO THE FLOOR TO GET IT TO 20 MILES AN HOUR. THERE ARE SO MANY BLOGS ON THIS PROBLEM ITS UNBELIEVABLE. I JUST HAD THE RECALLS FIXED ON THE IGNITION AND HEAD LIGHTS. NOW THIS ISSUE. PLEASE HELP. IM SINGLE, HOMELESS, AND UNEMPLOYED. THIS IS THE LAST THING I NEED RIGHT NOW.

82mo ago
Body 2

MOUNTING OF POWER STEERING RACK SUDDENLY BROKE ON PASSENGER SIDE WHEEL ALLOWING IT TO TURN INDEPENDENTLY FROM LEFT FRONT WHEEL. I WAS BACKING OUT OF A PARKING SPOT WHEN THIS HAPPENED, BUT IF THIS WOULD HAVE HAPPENED WHILE DRIVEING ON FREEWAY I COULD OF CRASHED AND LOST CONTROL OF CAR. WE CONTACTED GM AND THEY SAID NO RECALL , WE FEEL THIS SHOULD BE A SAFETY RECALL

83mo ago
Engine 1

TL* THE CONTACT OWNS A 2007 PONTIAC GRAND PRIX. THE CONTACT STATED THAT THE IGNITION WOULD SHUT DOWN WHILE DRIVING. THE FAILURE OCCURRED AT ANY SPEED WITHOUT WARNING. WHILE THE CONTACT'S SON WAS ENTERING A FREEWAY RAMP, THE VEHICLE DECELERATED AND LOST POWER. THE VEHICLE HAD TO BE PLACED IN NEUTRAL BEFORE THE POWER STEERING SEIZED. WHEN THE VEHICLE WAS TURNED OFF AND RESTARTED, IT WAS ABLE TO BE DRIVEN HOME SAFELY. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER AND DEALER WERE NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 206,000.

84mo ago
Engine 2

WHEN I START MY CAR, IT WILL STALL OUT, NOT TURN OVER OR IT WILL IDLE FOR A FEW SECONDS, THEN IMMEDIATELY SHUT OFF. I MEAN SHUT THE WHOLE CAR DOWN SO NOTHING ELECTRICAL CAN WORK AT WHICH POINT MY KEY WILL BE STUCK IN THE IGNITION AND I CANNOT GET IT OUT. I AM ABLE TO RESTART THE CAR NORMALLY, HOWEVER THE STEERING WHEEL VIBRATES ALONG WITH THE BODY OF MY CAR WHILE IN MOTION AND WHILE PARKED. WHILE MAKING A LEFT TURN THROUGH A FOUR WAY INTERSECTION, I LOST CONTROL OF MY POWER STEERING AND THE WHEEL WAS STUCK AT FIRST AND THEN SWUNG ALL THE WAY BACK WHICH SPUN MY CAR AROUND. THIS CAR HAS HAD 1 OWNER BEFORE ME AND I HAVE KEPT UP WITH ALL OF MY OIL CHANGES AND TUNE UPS. IN SEPTEMBER OF 2018, I HAD A SIMILAR ISSUE WITH THE VIBRATING AND WAS TOLD THAT A CYLINDER WAS MISFIRING AND THAT I NEEDED A TUNE UP. I SPENT $587 ON THESE REPAIRS. MY VEHICLE WAS AT 98,890 MILES. IT IS MAY 2019 ABOUT 9 MONTHS LATER MY VEHICLE IS AT 108,630 MILES AND I AM HAVING THE SAME AND ADDITIONAL ISSUES NOT EVEN 10,000 MILES MORE. I HAVE DOCUMENTATION FROM THE MECHANIC FROM MY CYLINDER REPAIRS THAT I HAVE REQUESTED TO BE FAXED OVER TO ME.

87mo ago
Electrical 1

AIRBAG LIGHT GOES OFF AND ON. HAS BEEN TO DEALER TWICE FOR CORRECTION AND DEALER DOES NOT KNOW HOW TO FIX.

91mo ago
Engine 1

RANDOM MISFIRE CODE WON'T GO AWAY SINCE WEEKS AFTER PURCHASING MY VEHICLE WHICH WAS THEN UNDER WARRANTY. THE DEALERSHIP REPLACED THE CAR COMPUTER & IGNITION COIL MODULE, SPARK PLUGS AND THE CODE TEMPORARILY WENT AWAY GOOD ENOUGH TO PASS EMISSIONS. THEY ALSO PERFORMED THE KEY RECALL THE CODE KEEPS COMING & NO MECHANIC OR DEALERSHIP CAN TELL ME WHY BUT THEY KEEP TAKING MY MONEY FOR A TEMPORARY FIX.THE DEALERSHIP SAID I NEEDED A NEW CATALYTIC CONVERTER. I HAVE REPLACED 5 SENSORS, THE IGNITION COIL MODULE TWICE, THE CATALYTIC CONVERTER, ALL SIX FUEL INJECTORS, THE FUEL PUMP AND HAD 3 MAJOR TUNE UPS. TO DATE THE ENGINE LIGHT SHUTS OFF TEMPORARILY AND ALWAYS RETURNS WITH THE SAME TWO CODES P0300 & P0420. IT FLASHES OCCASIONALLY BUT STAYS STEADY MOST DAYS.NO WORK DONE IS TURNING THE ENGINE LIGHT OFF FOR GOOD.

92mo ago
Electrical 1

THE TURN SIGNAL STALK THAT IS ON THE LEFT OF THE STEERING WHEEL IS DEFECTIVE. WHEN THE VEHICLE IS IN MOTION ON A STREET OR HIGHWAY THE BRIGHTS WILL ILLUMINATE RANDOMLY BLINDING OTHER DRIVERS. ADDITIONALLY, WHEN MAKING A TURN AND USING THE TURN SIGNAL THE BRIGHTS WILL ALSO TURN ON WHEN THE BLINKER TURNS OFF BLINDING INCOMING DRIVERS. THIS HAPPENS EVERY DAY AND ON EVERY TRIP. THERE HAS BEEN LOTS OF RESEARCH COMPLETED AND THERE ARE SEVERAL OTHER OWNERS OF GRAND PRIXS THAT EXPERIENCE THIS SAME PROBLEM. THE FOLLOWING IS A LINK TO YOUTUBE WHERE A DRIVER EXPLAINS HIS ISSUE AND HOW TO REPLACE THE TURN SIGNAL STALK. HTTPS://YOUTU.BE/AFANEQ-P6Y8 ATTACHED IS THE EXACT PIECE THAT NEEDS TO BE REPLACED. I'D BE WILLING TO SUBMIT A VIDEO OF THE DANGER THIS CAUSES IF REQUESTED. THANK YOU.

93mo ago

220 total

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