2019 Cadillac

CT6 AWD

Auto (S10), 6 cyl, 3.0 L, Turbo

Cadillac CT6: best and worst years

Overview

Body: Large CarsEPA, from EPA, last updated 6/22/2026
Drivetrain: All-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission: Automatic (S10)EPA, from EPA, last updated 6/22/2026
Powertrain: GasEPA, from EPA, last updated 6/22/2026
Fuel: PremiumEPA, from EPA, last updated 6/22/2026

Engine & performance

HP: 400
Power to weight: 0.097 hp/lb
Axle ratio: 3.27
Cyl: 6EPA, from EPA, last updated 6/22/2026
Aspiration: TurbochargedEPA, from EPA, last updated 6/22/2026
Start-stop system: NoEPA, from EPA, last updated 6/22/2026

Efficiency

MPG Hwy: 26 mpgEPA, from EPA, last updated 6/22/2026
MPG City: 18 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb: 21 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr: $3,650EPA, from EPA, last updated 6/22/2026
CO₂: 429 g/miEPA, from EPA, last updated 6/22/2026
Eco Score: 4/10EPA, from EPA, last updated 6/22/2026
Smog score: 3/10
Elec. Range: 0 miEPA, from EPA, last updated 6/22/2026
SmartWay certified: No

Dimensions & capacity

Doors: 4NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
Seats: 5NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
Seat rows: 2NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
Length: 206 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Width: 74 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Height: 58 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Wheelbase: 122 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Curb Weight: 4,129 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
GVWR class: Class 1 (6,000 lb or less)NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
Pass. Vol: 110 ft³EPA, from EPA, last updated 6/22/2026
Cargo Vol: 15 ft³EPA, from EPA, last updated 6/22/2026

Safety NHTSA, model year

Recalls: 4
Owner complaints: 17

Feature availability

Cameras & visibility

Backup cameraStandard

Driver assist

Adaptive cruise controlOptional

Convenience

Push-button startStandard

Reported problems NHTSA owner complaints, model year

POWER TRAIN74%
SERVICE BRAKES11%
ELECTRICAL SYSTEM5%
FORWARD COLLISION AVOIDANCE5%
VISIBILITY/WIPER5%

Source: NHTSA owner complaints, 19 total.

Cadillac CT6: best and worst years

Known issues manufacturer service bulletins, model year

665 service bulletins filed with NHTSA for this model year

Apr 1, 2026UNKNOWN OR OTHERPIT3271Q
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
Mar 9, 2026UNKNOWN OR OTHERPIP6104
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
Mar 9, 2026UNKNOWN OR OTHERPIP4902V
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Mar 2, 2026UNKNOWN OR OTHERPIT6425D
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
Feb 4, 2026UNKNOWN OR OTHERPIP5841H
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
Jan 16, 2026UNKNOWN OR OTHERPIT6425C
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
Jan 10, 2026UNKNOWN OR OTHERPIP5841G
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
Jan 8, 2026UNKNOWN OR OTHERPIP4902U
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
and 657 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic: 4 yr / 50k mi
Powertrain: 6 yr / 70k mi
Roadside assistance: 6 yr / 70k mi
Maintenance: 1 yr / 12k mi
EV battery: 8 yr / 100k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.