2018 Cadillac CT6
Only 9 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 9 complaints on file — too few for a fair verdict. The data below is complete but unranked.
- Complaints
- 9
- Recalls
- 0
- Investigations
- 0
- Top problem
- —
Too few to rank
None on file
None on file
Not enough data
Complaints per year
2018: 9 complaints
View as data table
| Year | Complaints |
|---|---|
| 2016 | 11 |
| 2017 | 17 |
| 2018 | 9 |
| 2019 | 16 |
| 2020 | 11 |
Known problem areas
Only 9 complaints on file for this model year — too few to rank by share. Raw counts only, below.
Power train
3 of 9 total reports mention: power train.
Show complaint excerpts
When vehicle was purchased new there was a slight bearing wear noise at the front driver side, which grew louder with years. Noise synchronized with tire rolling rpm.
NHTSA ODI report, 2026-08-07
My Cadillac CT6 (2018) quit working while on the expressway. I was in the middle of no where, in Georgia. This made for a very dangerous situation as the car suddenly lost all power going to the wheels while driving at approx. 75 MPH.
NHTSA ODI report, 2021-01-21
Also filed under Engine and fuel/propulsion system
Engine
3 of 9 total reports mention: engine.
Steering
2 of 9 total reports mention: steering.
Show complaint excerpts
Yes my car was sold to me with structural damages, and I was told any of this when I purchased it!!!!
NHTSA ODI report, 2024-02-15
Also filed under Suspension and structure
Fuel/propulsion system
2 of 9 total reports mention: fuel/propulsion system.
Show complaint excerpts
During refueling the gas station pumping nozzle would shut off indicating a full gasoline fuel tank; but, the dash board fuel gage indicated the fuel was not full. Had to dribble in fuel to fill.
NHTSA ODI report, 2026-08-07
Suspension
1 of 9 total reports mentions: suspension.
Safety timeline
No recalls on file for this model year.
0 recalls · 0 investigations · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
Buy-smart checklist
2018 Cadillac CT6 — pre-purchase inspection
Inspect
- Power train: 3 reports on file for this year.
- Engine: 3 reports on file for this year.
- Steering: 2 reports on file for this year.
FAQ
- Is the 2018 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 2018 Cadillac CT6?
- The most-reported component is power train, accounting for 33% of complaints on file.
- How many recalls does the 2018 Cadillac CT6 have?
- No recalls are on file for this model year.
Data updated 2026-10-31 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.