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Cadillac Elmiraj (2013) at Frankfurt motor show

This imposing coupe is the Cadillac Elmiraj concept. Designed as an American take on the Mercedes S-class coupe format, the Elmiraj stands 5.2m long and seats four passengers in an opulent cabin.The car also sports Cadillac’s new ‘V Sport’ moniker, which will feature across the Cadillac range soon, copying the success of BMW’s M Sport models, and Audi S-line cars. Tell me more about the Cadillac Elmiraj Beneath that long bonnet is a 4.5-litre V8 boosted by twin turbochargers, developing 493bhp and 500lb ft.

OnStar and Verizon reveal camera-laden Buick

OnStar and Verizon are debuting a prototype Buick LaCrosse at the Consumer Electronics Show in Las Vegas that offers a range of futuristic technologies. The spy-tech features include cameras that monitor activity around the car which can be viewed from a smartphone and a computer, and an impact-detection system that can replay a video clip of fender-benders. There also are enhanced voice commands to access Web sites, including YouTube, Twitter and Wikipedia, and an electronic owner's manual for the car that's streamed onto the dashboard.

Maserati Quattroporte GT S to go on sale in the spring

Maserati's latest speed demon, the Quattroporte Sport GT S will go on sale this spring, the company said at the car's debut on Monday at the Detroit Auto Show. The Sport GT S gets a 4.7-liter V8 that pumps out 433 hp--an increase from 425 hp in the Quattroporte S. The gearshift has also been calibrated for an even sportier ride.