Powered by a choice of V6 and V8 engines driving the rear wheels, the Cadillac STS features a distinctive exterior and a comfortable ride. AWD is an option. The STS-V adds performance.
After a minor facelift for the 2008 model year, the Cadillac STS carries over to 2009 virtually unchanged.
The 2009 Cadillac STS Sedan is powered by a base 3.6-liter V6 with 302 hp. Other available engines include a 4.6-liter V8 with 320 hp and a 4.4-liter V8 supercharged with 469 hp.
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