Volkswagen Passat Performance Concept

Volkswagen has big plans in store for next week's Detroit Auto Show, where media preview days begin Monday. One of several cars it will show is the Volkswagen Passat Performance Concept, a "sneak peek" of a new, sportier model of its U.S.-built Passat mid-size sedan with an all-new 250-horsepower engine under the hood. The new engine is the 1.8-liter direct-injected and turbocharged TSI four-cylinder, paired with a six-speed automatic transmission. It's already used in European and Asian VWs, but this is the first time it's been shown in a production model in the States. Getting that output...