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Buick Regal unveiled in Hollywood

Buick unveiled its 2011 Regal sedan Thursday night at the once-and-future-famous Hollywood Palladium, a new car from an old division being shown at an old dance hall that just got a full renovation. Is there an analogy in there someplace? The Palladium opened its doors with a Tommy Dorsey concert in 1940, at a time when Buicks ruled the road.

Mercedes-Benz SLS AMG: The gullwing takes flight

Before we reveal what it is like to hot-lap a prototype version of Mercedes-Benz's 6.2-liter V8-powered SLS around the 2.2-mile Sachsenring in eastern Germany, let us tell you one thing that puts the big rear-wheel-drive coupe into clear perspective. The SLS, planned to get its first public outing at the Frankfurt motor show in September, is not based on any existing Mercedes model. Rather, it has been conceived, designed and engineered from the ground up in a no-compromise approach by the German carmaker's in-house tuning division, AMG.

2014 Cadillac XTS Vsport priced at $63,020

We knew the 2014 XTS Vsport would get twin-turbo power, but now Cadillac has officially revealed the pricing and specs for the new high-powered XTS at a healthy $63,020, including destination. The 3.6-liter twin-turbo V6 delivers 410 hp and 369 lb-ft of torque and has an array of new features, including all-new cylinder block casting, strengthened connecting rods, more than 12 lbs. of boost from the two turbochargers and an all-new direct-injection fuel system.