EFFICIENT POWER
There is no overlooking the aggressiveness of the CTS Sport Sedan. However, the efficiency with which that power is dispersed is where the true engineering genius can be felt. Power comes from a 270 HP 3.0L direct-injection V6 engine, or available 318 HP 3.6L direct-injection V6. Both offer more power with reduced emissions compared to engines without direct-injection technology.
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Direct-Injection
Direct injection moves the point where fuel feeds into an engine closer to the point where it ignites, enabling greater combustion efficiency.
Composite Intake Manifold
The upper intake manifold for the 3.6L V6 is made from composite material and provides mass savings over an aluminum manifold, with a carefully designed structure that helps ensure quiet engine operation.
Aluminum Engine Block
This aluminum-intensive construction means less weight and greater efficiency than conventional cast-iron engines—and less weight translates to improved vehicle fuel economy16.