Cadillac's flagship large sedan possesses some athletic chops and feels lively to drive. The firm ride is steady and controlled, and the interior is very quiet. The base engine is a turbo-four, but most buyers will opt for the midlevel nonturbo V6; the top trim carries a 404-hp twin-turbocharged V6. The eight-speed automatic has smooth shifts. All-wheel drive comes standard on versions with the V6. The interior is plush and roomy, but in-cabin storage is practically non-existent. Front-seat comfort is superb, but the rear seat is a bit short on thigh support. Despite updates, the Cue infotainment system remains unintuitive and highly distracting to use. A plug-in hybrid version with an estimated 30 miles of EV range is also available. The CT6 offers GM's Super Cruise driver-assistance system, which operates on freeways and monitors the driver to make sure he/she is paying attention.
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