What is the worst year for a Cadillac CT4?

The 2024 Cadillac CT4 has the worst FaultScore of any year of this model, with 11 complaints filed with NHTSA, most of them about the engine & cooling.

What is the best year for a Cadillac CT4?

The 2021 Cadillac CT4 has the cleanest record of the graded years, with 12 complaints on file.

What breaks most often on a Cadillac CT4?

Engine & Cooling accounts for more complaints than any other part on the Cadillac CT4.

Worst years for a Cadillac CT4

Owners have filed 56 complaints about the Cadillac CT4 with NHTSA across model years 2020 to 2025. More of them are about the engine & cooling than anything else.

Avoid

2024 Cadillac CT4

11 complaints — the highest FaultScore of any year, mostly engine & cooling.

Cleanest on record

2021 Cadillac CT4

12 complaints — the lowest FaultScore of the graded years.

Every Cadillac CT4 year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

8 12 15 7 11 3

20 21 22 23 24 25

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

Year	Grade	Complaints	Crashes	Median miles	Most reported
2025	—	3	0	—	Acceleration & Cruise Control
2024	D	11	3	—	Engine & Cooling
2023	—	7	0	—	Engine & Cooling
2022	D	15	1	—	Steering
2021	B	12	0	—	Engine & Cooling
2020	—	8	0	—	Engine & Cooling

What breaks on a Cadillac CT4

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Engine & Cooling 10 17.9%

Worst in 2021

Transmission & Drivetrain 6 10.7%

Worst in 2020

Steering 6 10.7%

Worst in 2022

Brakes 6 10.7%

Worst in 2022

Electrical System 5 8.9%

Worst in 2022

Acceleration & Cruise Control 5 8.9%

Worst in 2021

Fuel & Propulsion 4 7.1%

Worst in 2021

Driver Assist & Collision Avoidance 4 7.1%

Worst in 2021

Airbags 2 3.6%

Worst in 2020

Suspension 2 3.6%

Worst in 2021

Windows, Mirrors & Wipers 2 3.6%

Worst in 2024

Other & Unspecified 2 3.6%

Worst in 2020

Lights 1 1.8%

Worst in 2024

Tires 1 1.8%

Worst in 2021

Complaints filed over time

Every complaint about every Cadillac CT4, by the month it reached NHTSA.

Jul 2021 peak 12 Jul 2026

Compare the Cadillac CT4

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.

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