2021 Cadillac CT4
Only 7 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 7 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 |
|---|---|
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 2 |
KNOWN PROBLEM AREAS
Only 7 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
3 of 7 total reports mention: engine.
2 of 7 total reports mention: fuel/propulsion system.
1 of 7 total reports mentions: vehicle speed control.
1 of 7 total reports mentions: tires.
Show complaint excerpts
235 40 80 run flat Both front and rear passenger tires no damage to rim less that 10k miles
NHTSA ODI report, 20220623
1 of 7 total reports mentions: suspension.
SAFETY TIMELINE
Air Bag Malfunction
General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles.
Remedy: The communications gateway module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed on July 1, 2021.
Campaign 21V421000 — check if this car was fixed
General Motors, LLC. (GM) is recalling certain 2020-2022 Cadillac CT4 and CT5 vehicles. The roof rail side-curtain air bags may not have been installed correctly, which could result in an improper air bag deployment during a crash.
Remedy: Dealers will inspect both left and right-side roof rail air bags and reinstall the air bags, as necessary, free of charge. Owner notification letters were mailed on August 30, 2021. Owners may contact Cadillac customer service at 1-800-458-8006.
Campaign 21V611000 — check if this car was fixed
General Motors, LLC (GM) is recalling certain 2020-2023 Cadillac CT4 and CT5; 2021-2023 Buick Envision; and 2022-2023 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles.
Remedy: The body control module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed January 23, 2023.
Campaign 22V903000 — check if this car was fixed
General Motors LLC (GM) is recalling certain 2019-2020 Cadillac CT6, 2020-2021 CT4, CT5, and 2020-2022 Chevrolet Camaro vehicles equipped with a 10-speed transmission. The transmission may become damaged internally and cause the wheels to lock-up.
Remedy: Dealers will install transmission control module monitoring software, free of charge. Owner notification letters were mailed April 7, 2025.
Campaign 25V148000 — check if this car was fixed
BUY-SMART CHECKLIST
2021 Cadillac CT4 — pre-purchase inspection
- Test/inspect for engine issues (3 reports on file for this year).
- Test/inspect for fuel/propulsion system issues (2 reports on file for this year).
- Test/inspect for vehicle speed control issues (1 reports on file for this year).
- Verify recall 21V421000 (air bags, electrical system) has been completed.
- Verify recall 21V611000 (air bags) has been completed.
- Verify recall 22V903000 (exterior lighting) has been completed.
- Verify recall 25V148000 (power train) has been completed.
FAQ
Is the 2021 Cadillac CT4 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 2021 Cadillac CT4?
The most-reported component is engine, accounting for 43% of complaints on file.
How many recalls does the 2021 Cadillac CT4 have?
4 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.