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What 168 owners told NHTSA about the 2014 Acura MDX Sport Hybrid

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 (168)Crash / fire / injury (14)Steering (38)Electrical system (27)Brakes (26)Engine (26)Transmission & drivetrain (26)Speed control (19)Body & structure (14)Lights (13)Fuel system (9)Electronic Stability Control (esc) (5)

3 of 168 complaints match · Transmission & drivetrain · crash/fire/injury only · clear filters

Jul 5, 2015Transmission & drivetrainSpeed controlBrakesCrash

UNINTENTIONAL ACCELERATION AND FAILURE OF COLLISION MITIGATION SYSTEM 2014 ACURA MDX ADVANCED. ACCIDENT OCCURRED AT A STRIP MALL PARKING LOT LOCATED 1 MILE FROM MY RESIDENCE WHERE I WAS GROCERY SHOPPING. WEATHER 65 F SUNNY. HEAVY PEDESTRIAN AND VEHICULAR TRAFFIC. I WAS PARKED HEAD IN DIAGONALLY. I PLACED MY RIGHT FOOT ON THE BRAKE PEDAL,PLACED THE SUV IN REVERSE,LIFTED MY RIGHT FOOT FROM THE BRAKE PEDAL, DEPRESSED THE ACCELERATOR PEDAL AND SLOWLY BACKED OUT OF THE PARKING SPACE,STRAIGHTENING THE WHEELS IN THE PROCESS.I PLACED MY RIGHT FOOT ON THE BRAKE, SHIFTED TO DRIVE, AND PLACED MY RIGHT FOOT ON THE ACCELERATOR PEDAL AND WITHOUT ACTUALLY DEPRESSING THE PEDAL THE ENGIN REVED UNCONTROLLABLY AND THE SUV SURGED FORWARD 100 FT AT INCREASING SPEED BEFORE COLLIDING IN A DOMINO FASHION WITH A ROW OF 6 VEHICLES PUSHING ONE OF THE VEHICLES OVER ONE OF THE ADJACENT VEHICLES BEFORE VEERING OFF TO THE SIDE AND TRAVELING AN ADDITIONAL 200 FEET BEFORE COMING TO A STOP.THE DRIVERS SIDE CHEST AND KNEE BAGS DEPLOYED WHEN I IMPACTED WITH THE FIRST VEHICLE.I DO NOT REMEMBER IF I ATTEMPTED TO BRAKE.THERE WERE NO INJURIES.THE DAMAGES TO MY SUV WERE EXTENSIVE. MY INSURER DECLARED IT A TOTAL LOSS.I HAVE PHOTOS TAKEN AT THE SCENE OF THE ACCIDENT SHOWING SKID MARKS AND THE DAMAGES TO THE VEHICLES BEFORE THEY WERE MOVED. MY INSURER HAD MY VEHICLE EXAMINED BY AN AUTOMOTIVE TECHNICIAN.HE CONCLUDED THAT I SIMULTANEOUSLY STEPPED ON THE BRAKE AND ACCELERATOR BECAUSE OF THE PEDAL WARE PATTERN. ALSO THE DIAGNOSTIC PORT DID NOT SHOW AN ERROR CODE.HE DID NOT EXAMINE THE EVENT DATA RECORDER (BLACK BOX). I DO NOT AGREE WITH HIS CONCLUSIONS. I BELIEVE I DID NOT STEP ON THE PEDALS SIMULTANEOUSLY. IN RETROSPECT I BELIEVE THAT I ACCIDENTALLY ENGAGED ONE OF THE CRUISE CONTROL BUTTONS LOCATED ON THE STEERING WHEEL WHEN I WAS BACKING UP AND STRAIGHTENING THE WHEELS.

NHTSA ODI 10732013

Apr 20, 2015Transmission & drivetrainSpeed controlBrakesCrash

I GOT INTO A PARKING SPACE, AND PUSHED THE BRAKE BUT THE CAR JUMPED ONTO THE SIDEWALK. I REMOVED MY FOOT FROM THE BRAKE AND THEN THE CAR STARTED SPEEDING UP. THE CAR CRASHED THROUGH THE WINDOW OF AN EMPTY STORE. I TRIED TO PUSH THE BRAKE EVEN HARDER BUT IT DID NOT WORK. THE CAR FINALLY STOPPED WHEN IT HIT THE WALL INSIDE THE STORE. I WAS IN A SHOCK. LUCKILY, NOBODY WAS INJURED. I FOUND SEVERAL SIMILAR COMPLAINTS ON THE INTERNET BUT COULD NOT FIND A RECALL FOR A SIMILAR ISSUE. ONE OF THE PREVIOUS CLAIMS STATES: "ACURA IS CLAIMING THAT NO PROBLEM CAN BE FOUND WITH OUR VEHICLE." THIS IS AN EXTREMELY SERIOUS SAFETY CONCERN AND COULD RESULT IN FATALITIES. IS THERE ANYTHING ELSE I NEED TO DO IN ORDER THIS ISSUE TO BE INVESTIGATED SERIOUSLY?

NHTSA ODI 10711851

Jan 3, 2014Transmission & drivetrainBrakesCrash

TL* THE CONTACT OWNS A 2014 ACURA MDX. THE CONTACT STATED THAT WHILE PARKED, ANOTHER VEHICLE SLIGHTLY BUMPED THE CONTACT'S VEHICLE AND CAUSED IT TO ROLL AWAY IN REVERSE AND DOWN A HILL. THE CONTACT'S VEHICLE THEN CRASHED INTO ANOTHER VEHICLE. THERE WERE NO INJURIES AND A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS NOT INSPECTED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 2,000. *TR

NHTSA ODI 10558344

Working with the data? Download all 168 complaints as CSV · fetched from NHTSA July 20, 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 2014 Acura MDX Sport Hybrid verdict →