Cadillac CT6 Problems by Year

Source: NHTSA · Updated Sep 15, 2026 · 65 owner complaints analyzed

NHTSA has 65 owner complaints and 8 safety recalls on file for the Cadillac CT6, across 5 model years (2016–2020). The 2019 model year has the most complaints (17). The most reported problem area overall is power train.

Cadillac CT6
Cadillac CT6 II. Representative photo; appearance varies by model year. Photo: JustAnotherCarDesigner, CC0, via Wikimedia Commons.
Peak: 2017, with 17 complaints
2016: 112016112017: 172017172018: 9201892019: 172019172020: 11202011

n = 65 complaints · Source: NHTSA

Cadillac CT6 years to avoid? What the complaint data shows

No CT6 model year stands out with more than twice the complaints of a typical year.

Model years with the most complaints

  1. 2019 CT6: 17 complaints, 4 recalls
  2. 2017 CT6: 17 complaints, 1 recall
  3. 2020 CT6: 11 complaints, 2 recalls

Complaint counts are not adjusted for how many cars were sold or how long each year has been on the road, so newer and less popular years naturally have fewer complaints. Use them to spot problem patterns, not as a safety ranking.

Most common Cadillac CT6 problems (all years)

Problem areaComplaintsModel yearsCrashes
Power Train3950
Service Brakes841
Engine630
Electrical System520
Forward Collision Avoidance541
Fuel/propulsion System430
Suspension441
Steering320
Structure330
Wheels331
Air Bags212
Vehicle Speed Control210
Exterior Lighting110
Lane Departure110
Tires110
Visibility110
Visibility/wiper110

All Cadillac CT6 model years

Model yearComplaintsRecallsCrash ratingTop problemCompared with other years
2020 CT6112—Power TrainFewer complaints than other years
2019 CT6174—Power TrainMore complaints than other years
2018 CT690—Engine
2017 CT6171—Power TrainMore complaints than other years
2016 CT6113—Power TrainFewer complaints than other years

More from Cadillac: all Cadillac models · Cadillac VIN decoder

Frequently asked questions

Which Cadillac CT6 years should you stay away from?

No year stands out at twice the typical count; the most complaints are for 2019 (17), 2017 (17), 2020 (11). Counts are not adjusted for how many cars were sold, and newer years have had less time to collect complaints.

What is the biggest problem with the Cadillac CT6?

Power Train, with 39 complaints across 5 model years.

How many recalls does the Cadillac CT6 have?

8 safety recalls across all model years. Each model year page lists its recalls and fixes.