2019 Cadillac CT6
US · Large Cars
The 2019 Cadillac CT6 is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 3.6L 6-cylinder (SIDI), 4.2L 8-cylinder turbocharged (SIDI)
- Power
- Not available
- Torque
- Not available
- Transmission
- 10-speed automatic
- Drivetrain
- Varies by configuration: RWD, AWD
- Fuel
- Gasoline
- Seating
- Not available
Key Performance & Dimensions
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 3.6L 6-cylinder (SIDI), 4.2L 8-cylinder turbocharged (SIDI) | |
| Displacement | 2.0 L to 4.2 L | |
| Cylinders | 4 to 8 | |
| Aspiration | Turbocharged | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Not available from our sources: Power, Torque.
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 10 | |
| Drivetrain | Varies by configuration: RWD, AWD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 28 mpg (8.4 L/100 km) to 17 mpg (13.8 L/100 km) | EPA fueleconomy.gov |
| City | 24 mpg (9.8 L/100 km) to 14 mpg (16.8 L/100 km) | |
| Highway | 34 mpg (6.9 L/100 km) to 25 mpg (9.4 L/100 km) |
Not available from our sources: Electric range, Battery capacity.
Trims and configurations
4 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 4 recall campaigns for this model year. Last checked October 12, 2026.
25V148000: POWER TRAIN:AUTOMATIC TRANSMISSION
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…
Reported March 6, 2025. View on NHTSA
19V889000: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT
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…
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…
Reported December 12, 2019. View on NHTSA
19V117000: EXTERIOR LIGHTING:TURN SIGNAL:SWITCH
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.
Reported February 21, 2019. View on NHTSA
18V673000: SEAT BELTS:REAR/OTHER
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…
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…
Reported September 26, 2018. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved October 12, 2026 · US Government public data
- NHTSA vPIC · retrieved October 12, 2026 · US Government public data
Source checked: October 12, 2026
Data verified: October 12, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 2018 Cadillac CT6
Varies by configuration: Gasoline, Plug-in hybrid
Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI), 3.6L 6-cylinder (SIDI), 2.0L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI; PHEV) · Varies by configuration: AWD, RWD
25 mpg (9.4 L/100 km) to 21 mpg (11.2 L/100 km) - 2020 Cadillac CT6
Gasoline
Varies by configuration: 3.6L 6-cylinder (SIDI), 4.2L 8-cylinder turbocharged (SIDI) · AWD
21 mpg (11.2 L/100 km) to 17 mpg (13.8 L/100 km)
Frequently asked questions
What engine does the 2019 Cadillac CT6 have?
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 3.6L 6-cylinder (SIDI), 4.2L 8-cylinder turbocharged (SIDI). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2019 Cadillac CT6?
Combined fuel economy is 28 mpg (8.4 L/100 km) to 17 mpg (13.8 L/100 km), as published by the source shown in the specification table.
Is the 2019 Cadillac CT6 front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: RWD, AWD.
Are there recalls for the 2019 Cadillac CT6?
NHTSA lists 4 recall campaigns for this model year (last checked October 12, 2026). Details are in the Recalls section.