Cadillac’s flagship CT6 is an impressive luxury car. Plush, roomy, quick, agile and high-tech, it just might be worthy of Cadillac's old slogan: “Standard of the World.” The CT6’s stellar Road Test score certainly ranks it among the best sedans. Our qualms revolve around a few interior quibbles, and the brand’s less-than-stellar predicted reliability rating. The CT6 slots in between two defined sedan classes.
Alerts
There are 2 recalls on this vehicle. Learn More.

Reliability

Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey, our reliability history charts give you a rundown on how used vehicles are holding up in 17 potential trouble spots, ranging from the engine, transmission, and brakes to power equipment and the electrical system.

Overall Reliability
The 2016 Cadillac CT6 has been recalled 2 times by NHTSA. View Recalls
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Overall Reliability Verdict
NA
NA
Potential Trouble Spots
Engine Major
NA
NA
Engine Minor
NA
NA
Engine Cooling
NA
NA
Transmission Major
NA
NA
Transmission Minor
NA
NA
Drive System
NA
NA
Fuel System
NA
NA
Electric System
NA
NA
Climate System
NA
NA
Suspension
NA
NA
Brakes
NA
NA
Exhaust
NA
NA
Paint/Trim
NA
NA
Body Integrity
NA
NA
Body Hardware
NA
NA
Power Equipment
NA
NA
In-car Electronics
NA
NA
Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey for about 420,000 vehicles, our reliability history charts give you a rundown on how 2000 through 2019 vehicles are holding up in 17 potential trouble spots, ranging from the engine, transmission, and brakes to power equipment and the electrical system. NA indicates that we did not receive a large enough sample size to provide data for a specific year. An X indicates that the vehicle was not manufactured for a specific year.

Learn more about car Reliability.

Recalls
PROVIDED BY
CHILD SEAT:VEHICLE LATCH ANCHOR
Jun 28 2018
If the child seat cannot be attached correctly to the anchorage bar, there is an increased the risk of injury.
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."
What should you do:
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.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number: 18V437000
Potential Number of Units Affected: 22043
SEAT BELTS:FRONT:WEBBING
Sep 23 2016
If the seat belt webbing detaches from the seat anchor, the seat belt may not properly restrain the front seat passenger in the event of a crash, increasing the risk of injury.
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.
What should you do:
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.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number: 16V687000
Potential Number of Units Affected: 131
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