Verdict
2019 Cadillac CT6: Complaints, Recalls & Known Issues
What the public record actually says about the 2019 Cadillac CT6 — every figure below is a NHTSA or EPA number, not an opinion.
The read
Fewer reported complaints than most sedan.
Owners filed 15 NHTSA complaints — fewer complaints than 65% of 2019 sedans. Power Train leads the reports (80%). 4 safety recall campaigns on record — check the VIN and remedy terms with a dealer.
Based on NHTSA complaint volume against 2019 sedans, not adjusted for how many were sold. It describes the model year, not the individual car you are looking at.
Complaints filed
15
Reports to NHTSA, 2019
Safety recalls
4
NHTSA campaigns on record
NHTSA crash test
Not rated
Overall NCAP rating
Combined MPG
28
EPA estimate
Complaint volume vs. segment peers
Fewer complaints than 65% of 2019 sedans
The bar is this car's percentile among 2019 sedans by complaint volume — a full bar means the fewest complaints in its class. Not adjusted for sales.
Known issues
Power Train issues lead owner complaints (80% of 15 reports), followed by electrical system (7%).
Share of all 15 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 11692117, ODI 11670991, ODI 11668868, ODI 11665850, ODI 11665186.
Recalls(4)
Open a recall to read what NHTSA says is wrong, what can happen, and how it gets fixed. Check the VIN and remedy eligibility with a dealer; federal no-charge requirements have an age limit, though a manufacturer may offer more coverage.
Power TrainJun 2025 · 25V148000Details +Close −
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.
Risk: Wheel lock-up while driving increases the risk of a crash.
Remedy: 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.
Service BrakesDec 2019 · 19V889000Details +Close −
General Motors LLC (GM) is recalling certain 2019 Chevrolet Silverado 1500, Cadillac CT6, and GMC Sierra 1500 vehicles. Due to an Electronic Brake Control Module (EBCM) software error, the vehicle's Electronic Stability Control (ESC) and Antilock Brake System (ABS) may become disabled. Furthermore, if this specific error occurs, the vehicle's diagnostics will not illuminate the instrument cluster ESC and ABS malfunction warning lights. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 126, "Electronic Stability Control" and 135, "Light Vehicle Brake Systems."
Risk: If the driver operates the vehicle unaware that ESC and ABS are not functioning, there is an increased risk of a crash.
Remedy: GM will notify owners, and dealers will reprogram the EBCM, free of charge. The recall began February 4, 2020. Owners may contact Chevrolet customer service at 1-800-222-1020, Cadillac customer service at 1-800-333-4223, or GMC customer service at 1-888-988-7267. GM's number for this recall is N192268090.
Seat Belts · 18V673000Details +Close −
General Motors LLC (GM) is recalling certain 2018-2019 Cadillac CT6, Escalade ESV, Chevrolet Suburban, Volt, and GMC Yukon XL vehicles. Certain second-row or third-row rear seatbelts retractor assemblies may not automatically lock when the seatbelt is fully pulled out of the retractor, possibly preventing a child seat from being properly secured. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
Risk: If the child seat is not properly secured in the event of a crash, it can increase the risk of injury.
Remedy: GM will notify owners, and dealers will inspect the rear seatbelt retractors and replace them if necessary, free of charge. The recall began November 7, 2018. Owners may contact 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 18315.
Exterior Lighting · 19V117000Details +Close −
General Motors LLC (GM) is recalling certain 2019 Cadillac CT6 vehicles. Rotation of the steering wheel will not automatically cancel the turn-signals from flashing. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices and Associated Equipment."
Risk: If the turn-signals do not automatically deactivate, the driver may fail to turn them off manually. An erroneous active turn-signal may mislead pedestrians and other drivers, increasing the risk of a crash.
Remedy: GM has notified owners, and dealers will replace the turn-signal switch. The recall began March 11, 2019. Owners may contact Cadillac customer service at 1-800-458-8006. The Cadillac number for this recall is N182207090.
A campaign can apply to this model year without being incomplete on a specific vehicle. Check the VIN with NHTSA or a dealer to confirm whether a particular car needs repair.
Investigations
0 NHTSA investigations on record
No investigations are on record as of Jul 2026. An empty record is not a clean bill of health.
Crash-test ratings
2019 Cadillac CT6 4DR AWD NHTSA source
- Overall
- Not rated
- Frontal
- Not rated
- Side
- Not rated
- Rollover
- Not rated
2019 Cadillac CT6 4DR RWD NHTSA source
- Overall
- Not rated
- Frontal
- Not rated
- Side
- Not rated
- Rollover
- Not rated
Fuel economy by trim
| Trim | Engine | Drivetrain | Transmission | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| CT6 | 2.0L 4-cyl | Rear-Wheel Drive | Automatic (S10) | 24 | 34 | 28 |
EPA laboratory estimates by trim and engine. Actual mileage varies with driving, weather, load, and maintenance. EPA source.
Before you buy
Useful next checks
Federal records tell you about patterns. These checks can tell you more about the specific car in front of you.
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Compare model years
"Fewest reports" and "most complained" describe raw NHTSA complaint totals, not vehicle reliability. The last few model years are left unlabelled because they have had less road time.
2019 Cadillac CT6: frequently asked
What does the complaint record show for the 2019 Cadillac CT6?
Owners filed 15 NHTSA complaints about the 2019 Cadillac CT6 — fewer complaints than 65% of comparable 2019 sedans, so it sits toward the stronger end of its class. That's a signal, not a guarantee about any single car.
What are the most common problems on the 2019 Cadillac CT6?
The most-reported problem areas are Power Train (80% of complaints) and electrical system (7%).
How many recalls does the 2019 Cadillac CT6 have?
4 recalls have been issued that affect the 2019 Cadillac CT6, covering components such as power train. Check the VIN with NHTSA and ask a dealer to confirm remedy eligibility; federal no-charge requirements have an age limit, though manufacturers may offer more coverage.
What gas mileage does the 2019 Cadillac CT6 get?
The EPA rates the 2019 Cadillac CT6 at 28 mpg combined.