Despite its age, the 2011 Cadillac STS is the more competitive of GM's large premium sedans. Unlike the older, larger DTS, the STS offers more contemporary styling and more competitive engines. On ...

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View post: 2026 Honda HR-V vs. 2026 Hyundai Kona: Which One Is Right for You? According to USA Today, the STS sedan will no longer be available with GM’s 4.6-liter Northstar V8 for the 2011 model year ...

This version of the STS's Direct Injection V6 and six-speed automatic transmission make for an impressive drivetrain. Changes over the years kept the STS a capable, smooth and elegant sedan. Still ...

Prices shown for the used 2011 Cadillac STS Sedan 4D Premium with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit options.

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Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability ...