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STS adds direct-injection V-6
For 2008, STS will be the first GM vehicle equipped with a new 3.6-liter direct-injected V-6 engine. The new base powerplant, with 298 horsepower (222 kW), delivers 40 more horsepower; and torque ...

Going & Stopping
Don't let its 265-horsepower rating fool you: The base V-6 left me wanting. Displacing 3.0 liters, it's in the same direct-injection family as the 3.6-liter V-6 that adeptly moves several GM produ ...

Rear Passenger Cupholders
Pull down on the lid to access the cupholders in the rear floor console. Vehicles with the rear seat armrest may also contain cupholders. Pull down the armrest to use the cupholders. ...