Today, the only Cadillac vehicle available with an electrified powertrain is the ELR coupe, but Cadillac is about to expand its number of plug-in hybrid models. Cadillac has unveiled the first one with the debut of the CT6 plug-in hybrid at the Shanghai Motor Show. The CT6 plug-in hybrid runs on two electric motors, which are powerful enough to propel the large sedan over 37 miles in electric mode.

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The CT6’s plug-in hybrid powertrain features a turbocharged 2.0L four-cylinder engine, two electric motors and a 18.4 kWh lithium-ion battery pack. The system generates a total 335 horsepower and 432 lb-ft. of torque. Cadillac hasn’t released the fuel economy specs for the CT6 plug-in hybrid, but estimates suggest that it will be more than double the fuel efficiency of the CT6’s conventional engines. The battery system can be charged using a 120V or 240V charger.

Related: 2016 Cadillac ELR plug-in hybrid gets power upgrades and a lower price

CT6 owners will be able to select between three driving modes: Normal, Sport and Hold. Sport mode provides more aggressive off-the-line feel and stiffer steering, while the Hold mode gives drivers the ability to select when the CT6 PHEV uses its engine, reserving the remaining battery charge for later use. Cadillac hasn’t announced when the CT6 plug-in hybrid will be available, but it’s estimated that it will arrive in the first half of 2016.

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