2017 Cadillac CT6
Only 17 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 17 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2016 | 11 |
| 2017 | 17 |
| 2018 | 7 |
| 2019 | 15 |
| 2020 | 11 |
KNOWN PROBLEM AREAS
Only 17 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
10 of 17 total reports mention: power train.
Show complaint excerpts
Transmission - Jerks and studders (hesitation) in the course of normal driving. Brakes - Makes a squealing noise which has gotten louder over time.
NHTSA ODI report, 20240622
WHEN AUTO STOP IS ENGAGE TAKING YOUR FOOT OFF THE BRAKE PEDAL FROM A COMPLETE STOP WHEN THE ENGINE STARTS BACK UP IT HAS A HARSH JERK SOMETIMES, IT FEELS AS THOUGH SOMEONE HAS HIT YOU FROM THE REAR.
NHTSA ODI report, 20200612
4 of 17 total reports mention: electrical system.
Show complaint excerpts
These vehicles have an issue tbat GM is aware of, with their 8 speed automatic transmissions which are used in multiple GM vehicles and these cause safety issues because for instance my vehicle switches gears randomly almost causing a wreck, and...
NHTSA ODI report, 20241121
2 of 17 total reports mention: vehicle speed control.
2 of 17 total reports mention: service brakes.
Show complaint excerpts
Transmission - Jerks and studders (hesitation) in the course of normal driving. Brakes - Makes a squealing noise which has gotten louder over time.
NHTSA ODI report, 20240622
1 of 17 total reports mentions: wheels.
SAFETY TIMELINE
General Motors, LLC (GM) is recalling certain 2016-2017 Cadillac CT6 vehicles. The Park/Position lights may be excessively bright.
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.
Campaign 21V759000 — check if this car was fixed
BUY-SMART CHECKLIST
2017 Cadillac CT6 — pre-purchase inspection
- Test/inspect for power train issues (10 reports on file for this year).
- Test/inspect for electrical system issues (4 reports on file for this year).
- Test/inspect for vehicle speed control issues (2 reports on file for this year).
- Verify recall 21V759000 (exterior lighting) has been completed.
FAQ
Is the 2017 Cadillac CT6 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2017 Cadillac CT6?
The most-reported component is power train, accounting for 59% of complaints on file.
How many recalls does the 2017 Cadillac CT6 have?
1 recall on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.