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2017 Cadillac CT6 PLUG-IN Overview

James Flammang
Contributing Editor - March 13, 2017

When Cadillac decided to join the ranks of manufacturers offering a sedan with battery/gasoline propulsion, the company skipped right past the conventional hybrid powertrain. Instead, Cadillac turned to a plug-in hybrid. In addition to operating like other hybrid models, CT6 Plug-in owners can plug their sedan in and run drive on nothing but electricity.

Although larger than any other Cadillac sedan, the new CT6 is considered a midsize model. Cadillac points out that the sedan’s interior room matches at least one full-size luxury model’s standard wheelbase offering. The roomy 2017 CT6 seats five.

What's New for 2017

A brand-new model for 2017, the CT6 Plug-in Hybrid (stylized by Cadillac as the "PLUG-IN") is based on the gasoline-engine CT6 sedan. An early version of the plug-in first appeared in April 2015, at the Shanghai Auto Show.

Cadillac CT6  Plug-In

Choosing Your Cadillac CT6 Plug-In Hybrid

Cadillac’s two-motor EV system consists of a pair of electric motors, working with a turbocharged 2.0-liter four-cylinder gasoline engine. The gas engine develops an estimated 335 horsepower and 432 pound-feet of torque while each electric motor generates 100 horsepower (74.5 kilowatts). The 18.4-kilowatt-hour lithium-ion battery pack fits between the rear seat and the trunk. The rear-drive CT6 Plug-in Hybrid uses an electric continuously variable transmission.

Using electric power alone, the Plug-in Hybrid can travel about 30 miles, with a top speed of 78 miles per hour. Total range is estimated at more than 400 miles. Recharging is optional, the CT6 will work with 120- or 240-volt electrical outlets. Cadillac notes that many commuters could get to work and back using battery power alone.

Acceleration to 60 mph takes only a brisk 5.2 seconds – quite a feat for any full-size luxury sedan with a four-cylinder engine. Cadillac claims the plug-in’s performance figure is identical to that of competitors with V6 engines. Cadillac expects an EPA-estimated 65 MPGe.

There are three driving modes are available:

  • Normal, for daily commuting.
  • Sport, which alters start-off feel and steering response.
  • Hold, which can “save” some electrical energy derived from vehicle momentum into the battery, for later use.

The Regen-on-Demand system, providing regenerative braking, is designed to capture as much energy as possible when slowing down, with the electric motors functioning as generators.

Placed on sale in spring 2017, the CT6 Plug-in Hybrid comes in a single trim level, priced at $76,090 (destination charge included). Standard equipment is comparable to the Premium Luxury trim levels in the regular CT6 sedan lineup. Many features that are optional in the gas-engine CT6 are standard in the plug-in, including rear-seat entertainment, enhanced Night Vision, and GM’s Rear Camera mirror, which uses a camera to display the view to the rear.

CarsDirect Tip

Although the driving range using battery power alone isn’t vast, total fuel economy is substantially greater than the regular CT6 can provide. Perhaps more important, Cadillac's first plug-in gives buyers a “green” alternative. Like other electric-powered vehicles, the CT6 Plug-in Hybrid may be eligible for tax incentives from federal and state agencies.

Get your price on a Cadillac CT6 Plug-In Hybrid »