Avoid: No year grades F. Weakest: 2017
Best: 2016
5 model years of NHTSA owner complaints and recalls · How we grade
Across 5 model years, the Cadillac CT6 has 118 owner-filed NHTSA complaints and 13 recalls on record. The most-reported areas are power train and engine. 2017 drew the most complaints (49), 2016 the fewest (11).
Source: NHTSA complaints and recalls filed for Cadillac CT6 vehicles (US, public record). Typical used asking price $19,771–$27,031.
Complaint volume by model year. Raw NHTSA totals, not adjusted for sales volume or time on the road, so older and higher-selling years accumulate more. Every year links to its full breakdown.
Highest: 2017 (49 complaints). Lowest: 2016 (11).
Mixed sentiment with a clear divide between appreciation for the vehicle's core attributes and significant concerns over reliability and long-term viability.
Electronics stop working randomly all over the car.
Harsh shifting, jerkiness, especially in 2nd gear, laggy response, subject to class action lawsuits.
Engines can burst into flames after hard driving, leading to parking outside as a precaution; described as a fundamental design flaw.
Many parts are exclusive to the CT6, making them hard to source and very expensive, a major concern for long-term ownership.
Complicated menu layout, sluggish response, noticeable lag, screen freezes, requires costly replacements.
Owner insights cover all generations of the CT6. Individual model years are broken down above.
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