Cadillac CT4
Registered from 2020 to 2027.
About this model
The Cadillac CT4 is a sedan manufactured and marketed by Cadillac. It replaced the Cadillac ATS sedan and sits below the CT5 in Cadillac's lineup. The CT4-V was unveiled on May 30, 2019, followed by the standard CT4 four months later.
From the Wikipedia article Cadillac CT4, licensed under CC BY-SA 4.0.
Crash test
| Stability control | Standard |
| Forward collision warning | Standard & Optional |
| Lane departure warning | Standard |
Crash-tested by NHTSA, the American road safety agency.
Specification
| Year | Measured |
|---|---|
| 2026 | 470 hp · 1623 kg · 2780 mm wheelbase · 10.2 L/100km (EPA) · 11.8 L/100km city · 8.1 motorway · Sedan, 4-door |
| 2025 | 470 hp · 1623 kg · 2780 mm wheelbase · 10.2 L/100km (EPA) · 11.8 L/100km city · 8.1 motorway · Sedan, 4-door |
| 2024 | 470 hp · 1623 kg · 2780 mm wheelbase · 10.2 L/100km (EPA) · 11.8 L/100km city · 8.1 motorway · Sedan, 4-door |
| 2023 | 470 hp · 1623 kg · 2780 mm wheelbase · 10.2 L/100km (EPA) · 11.8 L/100km city · 8.1 motorway · Sedan, 4-door |
| 2022 | 470 hp · 1623 kg · 2780 mm wheelbase · 10.2 L/100km (EPA) · 11.8 L/100km city · 8.1 motorway · Sedan, 4-door |
| 2021 | 309 hp · 1623 kg · 2780 mm wheelbase · 9.8 L/100km (EPA) · 11.2 L/100km city · 8.1 motorway · Sedan, 4-door |
| 2020 | 309 hp · 1623 kg · 2780 mm wheelbase · 10.2 L/100km (EPA) · 11.8 L/100km city · 8.1 motorway · Sedan, 4-door |
Recalls
Filed by the manufacturer with a regulator. A recall is repaired free of charge, whoever owns the car now.
62% of 2022 cars have more recall campaigns than this one, and an ordinary one has 3. More of them means more to check the service record for, not a worse car.
20V588000
If communication with the sensor is interrupted, the electronic brake boost assist could be lost. Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash.
GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is A202307260.
21V421000
The air bag malfunction indicator light may fail to warn the driver of a problem with the air bag, increasing the risk of injury.
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. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N212338110.
21V611000
Air bags that do not deploy properly can increase the risk of injury in a crash.
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. GM's number for this recall is N212342780.
22V903000
DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash.
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. Owners may contact GMC customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020, or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N222386380. This recall expands previous recall number 22V-827.
25V148000
Wheel lock-up while driving increases the risk of a crash.
Dealers will install transmission control module monitoring software, free of charge. Owner notification letters were mailed April 7, 2025. Owners may contact Cadillac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242480630.
Regulator investigations
Opened by NHTSA's Office of Defects Investigation. An investigation is a question the regulator asked about a possible defect, not a fault it found — most end without a recall.
Air Bag Malfunction
Preliminary evaluation, opened April 2021, closed August 2023.
What the maker told its dealers
Service bulletins are the manufacturer's own repair guidance to dealers, filed with NHTSA. A bulletin is not a defect finding; the count rises with how many things a maker writes down, not only with how many go wrong.
Cadillac filed 81 bulletins about the 2026 CT4.
- Electrical system: 4
- Engine: 3
- Forward collision avoidance: 1
- Fuel/propulsion system: 1
- Wheels: 1
- Other: 71
- This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues · August 2026
- This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating. · August 2026
- This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used. · July 2026
- PI to help diagnose A/C concern · July 2026
- • Improvements to system responsiveness • Improvements to camera image clarity • Fixes to prevent blank screens and audio drop-outs • Improvements to vehicle software update installation · July 2026
- This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message. · July 2026
- • Improves transmission diagnostic software. • Reduces unnecessary check · June 2026
- • Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi-Fi, Navigation, and Super Cruise. · June 2026
73 more.
Grouped by NHTSA's top-level system; a bulletin filed under a sub-heading counts toward its system.