The 2019 Cadillac CT6 is associated with 16 official NHTSA owner defect complaints and 4 safety recall campaigns in the federal safety database. The most frequently reported component area is Powertrain, accounting for 13 reports (81% of total complaints). EPA testing covers 4 certified vehicle configurations spanning 2l 4-cyl, 3.6l 6-cyl, 3l 6-cyl, and 4.2l 8-cyl configurations. Gasoline and hybrid variants deliver 17 to 28 MPG combined. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year.
Key Data Findings
- • NHTSA Owner Complaints: 16 reports
- • Safety Recall Campaigns: 4 campaigns
- • Top Reported Defect Area: Powertrain (13 / 81%)
- • NHTSA Overall Safety Rating: Not rated by NHTSA
- • EPA Efficiency: 17–28 MPG (4 variants)
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
| CT6 | 2L 4-Cyl | Rear-Wheel Drive | Automatic (S10) | 24 MPG | 34 MPG | 28 MPG | — | $2,700 / yr |
| CT6 AWD | 3.6L 6-Cyl | All-Wheel Drive | Automatic (S10) | 18 MPG | 27 MPG | 21 MPG | — | $2,950 / yr |
| CT6 AWD | 3L 6-Cyl | All-Wheel Drive | Automatic (S10) | 18 MPG | 26 MPG | 21 MPG | — | $3,600 / yr |
| CT6 AWD | 4.2L 8-Cyl | All-Wheel Drive | Automatic (S10) | 14 MPG | 25 MPG | 17 MPG | — | $4,450 / yr |
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
| 4DR AWD | Not Rated | Not Rated | Not Rated | Not Rated | — |
| 4DR RWD | Not Rated | Not Rated | Not Rated | Not Rated | — |
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Optional and Lane Departure Warning (LDW) is documented as Optional in official NHTSA records for tested 2019 Cadillac CT6 models.
View complete 2019 Cadillac CT6 crash test & safety breakdown →
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2019 Cadillac CT6 problems & component breakdown (4 categories) →
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION
Defect Summary: 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.
Free Manufacturer 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.
Affected Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT
Defect Summary: 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."
Free Manufacturer 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.
Affected Component: EXTERIOR LIGHTING:TURN SIGNAL:SWITCH
Defect Summary: 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."
Free Manufacturer 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.
View all 2019 Cadillac CT6 recalls & campaign history (4 campaigns) →