The 2016 Cadillac CT6 is associated with 11 official NHTSA owner defect complaints and 3 safety recall campaigns in the federal safety database. The most frequently reported component area is Powertrain, accounting for 5 reports (45% of total complaints). EPA testing covers 3 certified vehicle configurations spanning 2l 4-cyl, 3l 6-cyl, and 3.6l 6-cyl configurations. Gasoline and hybrid variants deliver 21 to 25 MPG combined. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year.
Key Data Findings
- • NHTSA Owner Complaints: 11 reports
- • Safety Recall Campaigns: 3 campaigns
- • Top Reported Defect Area: Powertrain (5 / 45%)
- • Safety Incident Signals: 3 crash / 0 fire / 2 injury reports
- • NHTSA Overall Safety Rating: Not rated by NHTSA
- • EPA Efficiency: 21–25 MPG (3 variants)
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
| CT6 | 2L 4-Cyl | Rear-Wheel Drive | Automatic (S8) | 22 MPG | 30 MPG | 25 MPG | — | $2,450 / yr |
| CT6 AWD | 3L 6-Cyl | All-Wheel Drive | Automatic (S8) | 18 MPG | 26 MPG | 21 MPG | — | $3,600 / yr |
| CT6 AWD | 3.6L 6-Cyl | All-Wheel Drive | Automatic (S8) | 18 MPG | 27 MPG | 21 MPG | — | $2,950 / yr |
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
| 4DR FWD | Not Rated | Not Rated | Not Rated | Not Rated | — |
| 4DR AWD | Not Rated | Not Rated | Not Rated | Not Rated | — |
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Optional and Lane Departure Warning (LDW) is documented as No in official NHTSA records for tested 2016 Cadillac CT6 models.
View complete 2016 Cadillac CT6 crash test & safety breakdown →
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2016 Cadillac CT6 problems & component breakdown (5 categories) →
Affected Component: EXTERIOR LIGHTING
Defect Summary: General Motors, LLC (GM) is recalling certain 2016-2017 Cadillac CT6 vehicles. The Park/Position lights may be excessively bright. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Free Manufacturer Remedy: Dealers will install right and left side in-line headlight jumper harnesses, free of charge. Owner notification letters were mailed November 3, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N162016079.
Affected Component: SEATS:MID/REAR ASSEMBLY
Defect Summary: General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CT6 vehicles. The inboard child seat anchorage bars may have had excess structural adhesive applied during assembly, which can interfere with the installation of a child seat. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."
Free Manufacturer Remedy: GM will notify owners, and dealers will inspect, remove any excess adhesive, and apply anti-corrosion primer to the inboard child seat anchorage bars, free of charge. The recall began August 3, 2018. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 18228.
Affected Component: SEAT BELTS:FRONT:WEBBING
Defect Summary: General Motors LLC (GM) is recalling certain model year 2016 Cadillac CT6 vehicles manufactured July 21, 2016, to July 22, 2016. The bolt that connects the front passenger seat belt webbing to the seat's anchor plate may be missing. Without the bolt, the seat belt webbing may detach from the seat anchor.
Free Manufacturer Remedy: GM will notify owners, and dealers will replace the existing front passenger seat belt webbing anchor bolt, or install a bolt if it is missing, free of charge. The recall began on September 24, 2016. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 16035. Note: Owners are advised not to allow an occupant to sit in the front passenger seat until the recall remedy has been performed.
View all 2016 Cadillac CT6 recalls & campaign history (3 campaigns) →