Half of all complaints arrive by 2 years of age, so 33.3% land after the 4-year basic warranty ends. The system owners report most is Engine, with 9 complaints, typically at 3.1 years.
Cadillac CT4 years to avoid — and the best ones
| Model year | Per run | Complaints | Runs | Enough history? |
|---|---|---|---|---|
| 2024 | 6 | 5 | too new | |
| 2023 | 3 | 3 | too new | |
| 2022 | 6 | 6 | too new | |
| 2021 | 7 | 7 | too new | |
| 2020 | 8 | 7 | yes |
When it starts to break
| Age at failure | Complaints | Running total | Warranty |
|---|---|---|---|
| 0 years | 20% | covered | |
| 1 year | 46.7% | covered | |
| 2 years | 60% | covered | |
| 3 years | 66.7% | covered | |
| 4 years | 73.3% | you pay | |
| 5 years | 83.3% | you pay | |
| 6 years | 100% | you pay |
Basic warranty on this car is 4 years / 50,000 miles. Only 66.7% of reported failures happen inside it — the remaining 33.3% come out of the owner's pocket. Powertrain cover (4 years / 50,000 miles) reaches further, but it only covers the engine and transmission, which account for about 47% of the complaints here.
What actually fails — and at what age
On the Cadillac CT4, the early trouble is Engine and Service Brakes — reported at around 3.1 years, so a car still under warranty is the one to check for it.
| System | Complaints | Typical age | Crash | Fire |
|---|---|---|---|---|
| Engine | 3.1 yrs | 1 | — | |
| Service Brakes | 2.3 yrs | — | — | |
| Power Train | 3.6 yrs | — | — | |
| Steering | 1 yrs | — | — | |
| Electrical System | 1.2 yrs | 1 | — | |
| Vehicle Speed Control | 1.4 yrs | 1 | — | |
| Fuel/propulsion System | 4 yrs | — | — | |
| Forward Collision Avoidance | 1.3 yrs | — | — |
What else in this class
6 models share the CT4's vehicle class. Per production run, the Toyota Corolla draws 5.16, the Lexus IS 1.31 and the BMW M3 1.49, against 1.07 for the CT4. That is the fewest complaints of the group.
| Same class as the CT4 | Complaints on record | Recall campaigns | Years built |
|---|---|---|---|
| Toyota Corolla | 219 | 1981–2026 | |
| Lexus IS | 118 | 2001–2026 | |
| BMW M3 | 78 | 1988–2026 | |
| Acura TLX | 41 | 2015–2026 | |
| Ford Focus | 138 | 2000–2026 | |
| Subaru WRX | 17 | 2015–2026 |
The table shows totals on record; the rates per production run are in the sentence above.
Good year or bad year — the VIN settles it.
- Check any VIN against complaints for its exact build year and plant
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Frequently asked questions
Is the Cadillac CT4 reliable?
By complaints per production run it is better than typical: 1.07 against 3.73 for the average car, and fewer than each of the 3 class rivals we compared.
When do CT4 problems usually start?
Half of all complaints arrive by 2 years of age. The most reported system is Engine, typically at 3.1 years, followed by Service Brakes.
Will the warranty cover CT4 problems?
Mostly yes: basic cover is 4 years / 50,000 miles, and 66.7% of reported failures fall inside it. Powertrain cover lasts longer, but engine and transmission make up about 47% of the complaints here.
Is the CT4 more reliable than the Toyota Corolla?
Yes: 1.07 complaints per production run for the CT4 against 5.16 for the Toyota Corolla.
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