The 2020 Cadillac CT6 is associated with 11 official NHTSA owner defect complaints and 2 safety recall campaigns in the federal safety database. The most frequently reported component area is Powertrain, accounting for 5 reports (45% of total complaints). EPA testing covers 2 certified vehicle configurations spanning 3.6l 6-cyl and 4.2l 8-cyl configurations. Gasoline and hybrid variants deliver 17 to 21 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: 11 reports
- • Safety Recall Campaigns: 2 campaigns
- • Top Reported Defect Area: Powertrain (5 / 45%)
- • Safety Incident Signals: 2 crash / 0 fire / 0 injury reports
- • NHTSA Overall Safety Rating: Not rated by NHTSA
- • EPA Efficiency: 17–21 MPG (2 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 AWD | 3.6L 6-Cyl | All-Wheel Drive | Automatic (S10) | 18 MPG | 27 MPG | 21 MPG | — | $2,950 / 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 |
| 4 DR AWD | Not Rated | Not Rated | Not Rated | Not Rated | — |
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Standard and Lane Departure Warning (LDW) is documented as Standard in official NHTSA records for tested 2020 Cadillac CT6 models.
View complete 2020 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 2020 Cadillac CT6 problems & component breakdown (7 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: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS
Defect Summary: General Motors LLC (GM) is recalling certain 2020 Cadillac CT6 vehicles equipped with dealer-installed accessory 20" x 8.50" wheels (RPO 5JO or SHH). The tire pressure monitoring system (TPMS) sensors use the incorrect wireless radio frequency and cannot illuminate the low pressure warning light when the tire pressure drops below the recommended level. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 138, "Tire Pressure Monitoring Systems."
Free Manufacturer Remedy: GM will notify owners, and dealers will replace all four TPMS sensors with the correct sensors, free of charge. The recall began December 3, 2019. Owners may contact GM customer service at 1-586-596-1733. GM's number for this recall is N192279200.
View all 2020 Cadillac CT6 recalls & campaign history (2 campaigns) →