New 2021 Cadillac CT5 Engine Specs, Gas Mileage, Horsepower – The actual CT5 is definitely operated because of the 2L Two-Browse Turbocharged Powerplant mated to the 10-pace gearbox that actions the again rims. Also, it’s furnished with primary safety features, like Frontward Incidents Attentive and automatic Disaster Braking out of the place to begin up.