Under the Hood

A 4.6-liter Northstar V-8 with variable valve timing produces 320 horsepower at 6,400 rpm and 310 pounds-feet of torque at 4,400 rpm. Premium fuel is recommended. The five-speed-automatic transmission incorporates Driver Shift Control.

    See also:

    Cabin Luxury
    The redesigned 2008 CTS was one of the prime examples of GM's renewed commitment to interior quality, and the design has held up well over the past few years; it still looks modern and inviting in ...

    Turn and Lane-Change Signals
    An arrow on the instrument panel cluster flashes in the direction of the turn or lane change. Move the turn signal lever all the way up or down to signal a turn. Raise or lower the lever until t ...

    Power Door Locks
    Instrument Panel Front Door Panels (Lock): Press to lock the doors. (Unlock): Press to unlock the doors. ...