Home · 2011 Porsche Panamera 4 E-hybrid Executive · Complaints

What 2 owners told NHTSA about the 2011 Porsche Panamera 4 E-hybrid Executive

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (2)Crash / fire / injury (1)Brakes (1)Speed control (1)Transmission & drivetrain (1)

1 of 2 complaints match · Brakes · clear filters

Jun 3, 2019Transmission & drivetrainSpeed controlBrakesCrash2 injuries

ON 05/24/19 WE WERE DRIVING SLOWLY IN A PAVED HOTEL PARKING LOT. WE ENTERED A PARKING SPACE AT LOW PARKING SPEED. THE VEHICLE SUDDENLY ACCELERATED WITH EXTREMELY HIGH TORQUE & UNCONTROLLED VELOCITY, JUMPED THE CURB, FLEW OVER A HILL, SCRAPED ACROSS A LARGE BOULDER ON THE HILLTOP, AND CONTINUED UNCONTROLLABLY SPEEDING. THE ACCELERATION PROPELLED THE CAR THROUGH VERY ROUGH NATURAL DESERT TERRAIN DENSELY FILLED WITH BUSHES, LARGE CACTUS, BOULDERS AND RUTS. BRAKING HAD LITTLE OR NO EFFECT UNTIL WE SPED ABOUT HALF A FOOTBALL FIELD WHERE THE VEHICLE WAS FINALLY BROUGHT TO A STOP - JUST BEFORE A TREE AHEAD OF US. PICTURES OF THE HOTEL ROAD, PARKING LOT, THE BERM AHEAD OF THE PARKING SPACE THE CAR ACCELERATED OVER, AND THE DAMAGE TO THE CAR AND DESERT ARE SHOWN IN EXHIBIT A. WE SUSTAINED BACK INJURIES, AND WERE FORTUNATE TO WALK AWAY AND OUT OF THE DESERT ALIVE. THE CAR WAS TOWED AND OUR CHUBB INSURER DECLARED THE VEHICLE 'TOTALED' FROM THE DAMAGE IT SUSTAINED. EXACT VEHICLE CAUSE OF THE INCIDENT IS UNKNOWN. WE HAVE A COMPANY THAT HAS INNOVATED, DESIGNED, TESTED AND COMMERCIALIZED ENGINE CONTROLS FOR DECADES. WE BELIEVE THE ACCELERATION WAS LIKELY CAUSED BY A FAULTY CONTROL SYSTEM IN THE VEHICLE. BASED ON OUR KNOWLEDGE, SUCH INCIDENTS, AND THE RELATED POTENTIAL PROPERTY DAMAGE AND INJURY OR DEATH OF OTHERS IN THE FUTURE CAN BE PREVENTED IF PROPER CONTROLS AND EMERGENCY FEATURES ARE IN PLACE. WE TALKED WITH THE MANAGER OF THE COLORADO SPRINGS PORSCHE DEALERSHIP WHERE WE PURCHASED THE VEHICLE FOLLOWING THE INCIDENT. HE INDICATED HE WOULD GET BACK TO US, BUT TO DATE THERE HAS BEEN NO FURTHER FOLLOW UP BY PORSCHE. WE HAVE NOW SUBMITTED AN OFFICIAL CLAIM TO PORSCHE PER THE PROTOCOL REQUIRED IN THE CAR OWNER MANUAL. OTHER ALMOST IDENTICAL INCIDENTS POSTED ON INTERNET ARE COPIED IN EXHIBIT B. *JS

NHTSA ODI 11217635

Working with the data? Download all 2 complaints as CSV · fetched from NHTSA July 21, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2011 Porsche Panamera 4 E-hybrid Executive verdict →