Cadillac CT6 To Receive Turbocharged, Naturally Aspirated V6 Engines
When the Cadillac CT6 hits showrooms later this year, power for the flagship will come in the form of two V6 engines.
The mills are a 3.6-liter naturally aspirated unit, and a 3-liter twin-turbo. Both engines are equipped with active fuel management and start-stop, helping to improve fuel economy when compared to the engines they will replace in other Cadillac products.
Power figures for the 3.6-liter come to 335 horsepower and 284 lb-ft of torque, while the twin-turbo engine pumps out 400 horses and 400 lb-ft of torque. Both V6s will be paired with versions of General Motors’ Hydra-Matic eight-speed auto: the 8L90 for the turbocharged unit, the 8L45 for the naturally aspirated engine.
Both engines use aluminum blocks with more structuring in the bulkhead for increased rigidity; forged-steel crankshafts; polymer-coated, high-copper-content cylinder heads; cushioned chain sprockets for greater noise reduction; and a new two-pump oiling system for greater fuel efficiency and quieter operation.
Both V6s will be produced at GM’s Romulus Powertrain Operations in Romulus, Mich. — thanks to a $540-million investment to build the new engines — and will be placed under the bonnet of CT6 prior to delivery, which is set to begin between October and December of 2015.
Seattle-based writer, blogger, and photographer for many a publication. Born in Louisville. Raised in Kansas. Where I lay my head is home.
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