Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Driven: Cadillac XTS

In the light of the new, global-focused ATS and hot-off-the-press CTS sedans, the full-sized, US-centric Cadillac XTS is somewhat of an anomaly in the new Caddy clan. It's been earmarked as a stopgap flagship before a proper rear-wheel drive challenger to the Mercedes S-class and Lexus LS comes on stream. Car Design News took to the streets of Detroit to find out if it captures that big Cadillac vibe on home turf.

Packard 1108 Twelve wins Pebble Beach concours

The 1934 Packard 1108 Twelve that won the Pebble Beach Concours d'Elegance in a perfect coat of dark green paint was once a lowly taxi cab prowling the streets of Puerto Rico in roughly applied red and orange livery. "A gentleman named Ricardo Ricasta bought it in New York in 1934 and the car returned to Ricasta's original home in Puerto Rico for a while," owner Joseph Cassini said. "When he passed away and the family had no interest in the car, it became a taxi cab for a while." Imagine hailing a cab in downtown San Juan and this magnificent Packard rolls up.

Acura updates the RL sedan, sets price for the ZDX wagon

Acura, Honda's luxury division, has made some slight changes to its flagship RL sedan for the 2011 model year. It has also set prices for the 2011 ZDX wagon. Both models are powered by a 3.7-liter V6 engine, rated at 300 hp and 271 lb-ft of torque.