2016 Cadillac CT6 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
11 owner complaints analyzed
3 distinct recall campaigns
16,500 mi median reported failure mileage
Scope: 2016 model year. Data snapshot: . 5 complaints include usable failure mileage.
Most common problems
Power Train is the most frequently named component, appearing in 6 of 11 complaints (54.5%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 4 | 36.4% |
| Braking behavior | 2 | 18.2% |
| Engine operation | 1 | 9.1% |
| Steering behavior | 1 | 9.1% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Power Train | 6 |
| Air Bags | 2 |
| Engine | 2 |
| Unknown Or Other | 2 |
| Fuel/Propulsion System | 1 |
| Suspension | 1 |
| Wheels | 1 |
Power Train: 6; Air Bags: 2; Engine: 2; Unknown Or Other: 2; Fuel/Propulsion System: 1; Suspension: 1; Wheels: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 4 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 4; 25,000 to 49,999: 0; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (4). 6 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 4 |
2018: 2; 2020: 1; 2021: 1; 2023: 2; 2024: 1; 2025: 4
Pattern summary
Power Train leads the component reports. Transmission and shifting appears in 4 complaint narratives. Braking behavior appears in 2 complaint narratives. Engine operation appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11144689 · 2018-11-01 (November 1, 2018)
CAR WILL NOT RESPOND FOR AT LEAST 2 SECONDS DURING A SLOW, ROLLING STOP, WHEN TRYING TO ACCELERATE AGAIN. UNABLE TO PERFORM EVASIVE MANUEVER, IF NEEDED, SECONDARY TO THE DELAY TO ACCELERATOR INPUT. HARSH 2-1 DOWNSHIFTS ALSO AT SLOW SPEEDS AND CAN EVEN FEEL AS THOUGH YOU WERE STRUCK FROM BEHIND. HIGHWAY DRIVING IS EXCELLENT; CITY DRIVING CHALLENGING WITH THE TRANSMISSION. THE DRIVER HAS TO LEARN HOW TO DRIVE THIS VEHICLE. FIND IT VERY UNUSUAL AFTER OWNING 5 OTHER CADILLACS AND NEVER HAD THIS PROBLEM. I BOUGHT THIS CAR AS A PRE-OWNED CERTIFIED V…
Owner-reported narrative. 750 miles reported. Look up ODI 11144689 at NHTSA ↗
Owner report 11513710 · 2023-03-25 (March 25, 2023)
Vehicle has sudden violent forward Jerking motion at stops, delayed performance when accelerating ,hard shifting when changing gears, clunking noise when shifting into low gear
Owner-reported narrative. Look up ODI 11513710 at NHTSA ↗
Owner report 11583068 · 2024-04-15 (April 15, 2024)
The contact owns a 2016 Cadillac CT6. The contact stated that while in reverse, the vehicle accelerated inadvertently. The brake pedal was depressed to stop the vehicle. Additionally, the contact stated while driving between 30-45 MPH on several occasions, the gears shifted, and the vehicle jolted forward. Additionally, that contact stated that the vehicle was constantly shaking. The vehicle was taken to a dealer where the failure was first not able to be duplicated. The vehicle was taken to another dealer for the third time where it was diagno…
Owner-reported narrative. 19,000 miles reported. Look up ODI 11583068 at NHTSA ↗
Owner report 11651834 · 2025-03-31 (March 31, 2025)
I am experiencing recurring transmission and drivability issues with my 2016 Cadillac CT6. 1.Rough Shifting: When shifting from park to reverse, the transmission shifts roughly, causing a noticeable jolt throughout the vehicle. 2.Fluid Leakage: I have observed fluid leaking from underneath the car when parked in my driveway. However, the leak is inconsistent, it disappears for a few days after rain or washing my driveway but then reappears under similar conditions. 3.Delayed Shifting: When accelerating from a stoplight, there is a delay before t…
Owner-reported narrative. Look up ODI 11651834 at NHTSA ↗
Owner report 11536546 · 2023-08-04 (August 4, 2023)
Approximately in November 2022, I was driving my 2016 Cadillac CT6. While operating at a normal speed of 40 mph, while in traffic the vehicle began to hesitate and a loss of power. The vehicle was towed to Waldorf Cadillac & Chevrolet. The vehicle was diagnosed with a transfer case issue. The vehicle in the repair shop for approximately 4 months. I retrieve my vehicle in February 2023, with a brand-new Transfer Case with a price tag of $2,200.00. On Thursday, August 3, 2023, I managed to drive the vehicle back to Waldorf Cadillac & Chevr…
Owner-reported narrative. Look up ODI 11536546 at NHTSA ↗
Owner report 11093258 · 2018-05-10 (May 10, 2018)
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 A…
Owner-reported narrative. 2,300 miles reported. Look up ODI 11093258 at NHTSA ↗