The 2018 Cadillac CT6 plug-in hybrid fares well in the fullsize sedan segment. Adding $21,000 to the price of the standard gasoline variant, the CT6 hybrid carries a base price of MSRP $75,095 and is offered in just one trim. The engine on service here is a familiar 2.0L inline-4 engine supported by an 18.4 kWh lithium-ion battery pack. Mated to an electrically variable transmission, it makes 335 horsepower and 432 lb-ft of torque. The combined fuel economy improves from 26 MPG on the standard gasoline variant to 62 MPGe on the hybrid variant, making the increase in sticker price worth it. Performance of the CT6 hybrid remains at par with the gasoline variant / also improves here, with the car accelerating from 0 to 60 mph in 5.2 seconds. Cadillac offers 6 exciting colors for the CT6 hybrid. The CT6 Hybrid mainly competes against the Lexus 500h Sedan, and the BMW 7 Series Hybrid Sedan.