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Find the perfect Cadillac STS for sale with options for personalizing the vehicle search.

The 320-hp, 4.6-liter V8 has now been discontinued, as has the all-wheel drive option. And with the V8 goes adaptive steering, adaptive damping, Magnetic Ride Control, and 4-wheel active steering--all ...

The STS started out as an up-level trim of the midsized Seville, with a strong 4.6-liter V8, traction control, and an active suspension system. The STS accelerated faster than many of the performance ...