Before buying a used 2019 Cadillac CT6, check whether recall repairs were completed, how it scored in crash tests and what owners report most often. Ask the seller for service records covering any recall listed below.
A 0–100 grade from public NHTSA data — higher means fewer reported problems. How it's calculated
2019 Cadillac CT6 4DR RWD
2019 Cadillac CT6 4DR AWD
Source: NHTSA New Car Assessment Program.
17 complaints filed with NHTSA. Most-reported areas:
Source: NHTSA owner complaints. Complaints are unverified reports, not confirmed defects.
| Version | City | Highway | Combined |
|---|---|---|---|
| CT6 — Auto (S10), 4 cyl, 2.0 L, Turbo | 9.8 L/100 km (24 mpg) | 6.9 L/100 km (34 mpg) | 8.4 L/100 km (28 mpg) |
| CT6 AWD — Auto (S10), 6 cyl, 3.6 L | 13.1 L/100 km (18 mpg) | 8.7 L/100 km (27 mpg) | 11.2 L/100 km (21 mpg) |
| CT6 AWD — Auto (S10), 6 cyl, 3.0 L, Turbo | 13.1 L/100 km (18 mpg) | 9 L/100 km (26 mpg) | 11.2 L/100 km (21 mpg) |
| CT6 AWD — Auto (S10), 8 cyl, 4.2 L, Turbo | 16.8 L/100 km (14 mpg) | 9.4 L/100 km (25 mpg) | 13.8 L/100 km (17 mpg) |
Source: U.S. EPA / fueleconomy.gov. Converted to L/100 km for Canadian buyers.
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"…
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.
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."
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.
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."
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.
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. 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.
Source: U.S. NHTSA. Canadian-market vehicles can have different recalls — check Transport Canada's recall database. Always confirm recall status for a specific VIN with a dealer.
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