Cadillac CT6 Engine Specifications

The 2020 Cadillac CT6 is offered with 2.0L–4.2L engines in 6 and 8 and 4-cylinder form, per EPA fuel-economy records.

Latest model year (2020):

The Cadillac CT6 is available with 6 3.6L and Automatic (S10) (All-Wheel Drive).

Verifiedfueleconomy.gov · Verified August 9, 2026

Cadillac CT6 Engine Specs — All Years

YearTrimCylindersDispl.TransmissionDriveFuel TypeVehicle Class
2020Auto (S10), 6 cyl, 3.6 L63.6LAutomatic (S10)All-Wheel DriveRegular GasolineLarge Cars
2020Auto (S10), 8 cyl, 4.2 L84.2LAutomatic (S10)All-Wheel DrivePremium GasolineLarge Cars
2019Auto (S10), 4 cyl, 2.0 L42.0LAutomatic (S10)Rear-Wheel DrivePremium GasolineLarge Cars
2019Auto (S10), 6 cyl, 3.0 L63.0LAutomatic (S10)All-Wheel DrivePremium GasolineLarge Cars
2019Auto (S10), 6 cyl, 3.6 L63.6LAutomatic (S10)All-Wheel DriveRegular GasolineLarge Cars
2019Auto (S10), 8 cyl, 4.2 L84.2LAutomatic (S10)All-Wheel DrivePremium GasolineLarge Cars
2018Auto (S8), 4 cyl, 2.0 L42.0LAutomatic (S8)Rear-Wheel DrivePremium GasolineLarge Cars
2018Auto (S8), 6 cyl, 3.0 L63.0LAutomatic (S8)All-Wheel DrivePremium GasolineLarge Cars
2018Auto (S8), 6 cyl, 3.6 L63.6LAutomatic (S8)All-Wheel DriveRegular GasolineLarge Cars
2018Auto (variable gear ratios), 4 cyl, 2.0 L42.0LAutomatic (variable gear ratios)Rear-Wheel DrivePremium GasolineMidsize Cars
2017Auto (S8), 4 cyl, 2.0 L42.0LAutomatic (S8)Rear-Wheel DrivePremium GasolineLarge Cars
2017Auto (S8), 6 cyl, 3.0 L63.0LAutomatic (S8)All-Wheel DrivePremium GasolineLarge Cars
2017Auto (S8), 6 cyl, 3.6 L63.6LAutomatic (S8)All-Wheel DriveRegular GasolineLarge Cars
2017Auto (variable gear ratios), 4 cyl, 2.0 L42.0LAutomatic (variable gear ratios)Rear-Wheel DrivePremium GasolineMidsize Cars
2016Auto (S8), 4 cyl, 2.0 L42.0LAutomatic (S8)Rear-Wheel DriveRegular GasolineLarge Cars
2016Auto (S8), 6 cyl, 3.0 L63.0LAutomatic (S8)All-Wheel DrivePremium GasolineLarge Cars
2016Auto (S8), 6 cyl, 3.6 L63.6LAutomatic (S8)All-Wheel DriveRegular GasolineLarge Cars

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Cadillac CT6 Engine Specs FAQ

What engine does the Cadillac CT6 have?

The Cadillac CT6 is available with 6 cylinder engines ranging up to 3.6L. Transmission and drivetrain options vary by trim. See the full table above.

Is the Cadillac CT6 available with all-wheel drive?

Yes, the Cadillac CT6 is available with all-wheel drive. Check the "Drive" column in the table above for specific trims.

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