Fuel-saving plug-in hybrid technology isn’t just for small cars anymore as the 2018 Cadillac CT6 Plug-in Hybrid shows. While it won’t return the same mileage as smaller hybrids, the Cadillac has the advantage of offering plenty of space, good performance and leading-edge safety and driver assist technology. Micah Muzio takes us through the 2018 Cadillac CT6 Plug-in Hybrid in this Video Review and Road Test.

2018 Cadillac CT6 Hybrid Video Transcript

The Cadillac CT6 is a large, five-passenger luxury sedan that's also offered as a plug-in hybrid. Is this the one to buy? It is if you appreciate torque. Cadillac estimates a respectable 5.2-second 0-60 time, but generating that figure is doubly satisfying thanks to instantaneous electric torque. That was satisfying.

With the vehicle up to speed, the equation changes somewhat. The gap between when I floor the accelerator and when full thrust kicks in can be substantial. With the CT6's 2.0-liter turbocharged 4-cylinder, and two electric motors driving the rear wheels, total system power stands at 335 horsepower and 432 lb-ft of torque. Energy for those motors is stored in a battery pack wedged behind the rear seats, significantly cutting trunk space from 15.3- to 10.6-cubic feet. Top off the battery from empty with a 240-volt charger and after about 4.5 hours you'll have 31 miles of electric range to play with. During that time, you'll enjoy an EPA estimated 62 MPGe. That sounds good, but if you don't utilize the plug-in’s pure electric range, it returns the exact same 25 mpg combined rating as the regular 4-cylinder CT6, so, please use that plug. The one in there.

In the past you might have heard me whine about unusual brake feel in hybrid cars. I won't subject you to more of that here, but if you dislike the CT6’s brakes, these paddles can select various regenerative braking potencies. Sort of a weird way to word that. With maximum regen most deceleraterative needs can be met by simply lifting your foot off the accelerator, but unlike some electrified cars, the CT6 will not come to a complete stop. It just keeps on rolling. Evidently, the CT6 likes to creep like an English cameraman.

To better match its drivers tastes, the Cadillac CT6 plug-in has three drive modes, normal, sport with predictably sporty or throttle mapping, and hold, which saves battery charge for later use. For example, when driving on the freeway but you want to save electric range for the city where EV mode is most efficient. Hold please.

The CT6 plug-in's starting MSRP of $76,000 isn't cheap, but it does include some neat gear like night vision, a 360-degree camera system with video recording abilities, and CUE infotainment, which has evolved into a pretty great system. For a non-hybrid comparison, consider the similarly quick, similarly equipped CT6 V6 all-wheel drive premium luxury trim.

The V6 costs about $10,000 less, but that price differential is largely offset by the plug-in's reduced fuel costs and $7,500 federal tax credit. Thanks for the assist fellow taxpayer.

On another governmental note, in California at least for 2018, the CT6 plug-in does not qualify for carpool access, so, if you're aiming to speed up your commute, research your state's HOV policies first. Returning to the core question should you buy the Cadillac CT6 Plug-In? Well, if you want a plug-in hybrid that grants you carpool access and exceptional efficiency whether you plug it in or not, then no. Then again, the CT6 plug-in is cheaper and offers much better electric range than BMW 740i xDrive plug-in hybrid. Bottom line, if you want a luxurious sedan with spunky electric acceleration and a smattering of environmental cred without spending too much money, it's worth considering the Cadillac of plug-in hybrids.

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