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What 11 owners told NHTSA about the 2016 Cadillac CT6 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 (11)Crash / fire / injury (3)Transmission & drivetrain (6)Airbags (2)Engine (2)Fuel system (1)Suspension (1)Wheels (1)

3 of 11 complaints match · crash/fire/injury only · clear filters

Oct 20, 2025AirbagsCrash1 injury1 death

The contact's husband owned a 2016 Cadillac CT6. The contact stated that while her husband was making a left turn, the vehicle was struck on the front passenger side by another vehicle. The contact stated that her husbands air bag did not deploy. Medical attention was needed, and the contact's husband was transported to the hospital, where he succumbed to his injuries. A police report was taken. The vehicle was towed to the tow lot, where it was deemed a total loss. The contact stated that there were no additional injuries. The manufacturer was not yet notified of the incident. The failure mileage was unknown.

NHTSA ODI 11694492

Apr 15, 2021AirbagsCrash1 injury

VEHICLE INVOLVED IN A SEVERE ACCIDENT, AIRBAGS DID NOT DEPLOY. THE VEHICLE WAS IN MOTION ON A HWY. VEHICLE WAS STRUCK BY ONCOMING TRAFFIC AND THEN LAUNCHED INTO A DITCH. NONE OF THE AIRBAGS DEPLOYED DURING THE INCIDENT.

NHTSA ODI 11408187

May 10, 2018SuspensionWheelsCrash

THIS CAR HAS SAFETY ISSUES. I PURCHASED A YEAR AGO. THE AXLE AND WHEEL BROKE OFF IN ON THE CAR WITHIN 30 DAYS. THE CAR HAS HUGE MANUFACTURER BREAKDOWN. IT WOULDN'T START DIDN'T CARE WHAT GEAR IT WAS IN IT WAS ROLLING AND ALMOST RAN OVER MY FRIEND AND RAN OFF INTO A DITCH. I HAVE HAD SEVERAL ACCIDENTS IN CAR DUE TO THE REAR SUSPENSION. SHAKING. I BROUGHT IT IN AND NO ONE CAN SEEM TO DUPLICATE IT. BOTH TIRES HAVE BLOW OFF THIS 2016 CT6 WITH 23K MILES ON IT I BOUGHT IT WITH 26 MILES ON IT 100K WARRANTY NO DEDUCTIBLE, SCRATCH DENT AND DING REPAIR AND GMAC OR FRANK KENT WHERE I PURCHASE THE CAR NO WILL THE DEALERS. I BOUGHT THE EXTRA CONTRACTS FOR ARE BLOWING ME OFF. THIS IS RIDICULOUS THE CAR IS IN THE SHOP NOW B/C IT TORE OFF BOTH MIRRORS BACKING INTO GARAGE. I HAVE NO SIDE MIRROR. THE CAR WAS DRIVING ITSELF THEY CORRECT IS SELF AND BACKED INTO WALL. BLOWOUT OF NEW TIRES, NAVIGATION'S ISSUE TELLING ME TO GO TO THE WRONG PLACES BUT SCREEN SHOWS SOMETHING ELSE. HAVING TO CALL ONSTAR JUST TO CHECK DIAGNOSTICS TO SEE IF NEW CAR IS OKAY. BUT THEY CAME BACK WITH GREEN WITH ALL THE BENT, AXLE BROKEN OFF WHEEL, BLOWOUTS NAVIGATION ISSUES AUTO-STOP AND INDICATOR LIGHTS NOT WORKING IN THE CAR.I WONDER IF THE WHEEL IS ABOUT TO BREAK OFF AGAIN WITH IT BEING BENT ON THE RIGHT SIDE. THEY SAY STILL SAFE TO DRIVE! REALLY! I WANT THIS CAR FIXED OR ANOTHER CAR. ITS BEEN IN THE SHOP MORE THAN IT HAS BEEN WITH ME. I HAD TO PURCHASE NEW CASH DUE TO THIS RIGHT SIDE AND SUSPENSION. THE BEST PLACE FOR THE CAR NOW IS WHERE IT IS IN THE SHIP. STEERING CAR IS OUT OF LINE PULLS TO RIGHT HARD TO STEER DUE TO AWD CAR

NHTSA ODI 11093258

Working with the data? Download all 11 complaints as CSV · fetched from NHTSA July 25, 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 2016 Cadillac CT6 Hybrid verdict →