https://www.tflcar.com - The Cadillac CT6 Plug-in Hybrid is only available in one trim, unlike the normal sedan. It costs $13,200 less than the Platinum version, but then it’s not quite as plush. It does however, outshine the conventional model in terms of fuel economy, as you’d expect. The Cadillac CT6 Plug-in Hybrid delivers 26 mpg in the city and 23 mpg on the highway. The combined gasoline and electricity yielding 62 MPGe, with an impressive EV Range of 31 miles, configurable regenerative braking, and pleasing dynamics.