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    Cadillac STS

    EPA MPG: 20 mpg

    Cadillac STS Road Test

    Introduction

    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 though, the interior is less meticulously trimmed and accommodating than the best in the class. Ride is comfortable and quiet, but rear seat room falls a bit short.

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