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Cadillac Elmiraj concept (2013)

Cadillac has revealed its Elmiraj grand coupé concept, which showcases its plans for its next-generation flagship sports models. The four-seater concept – which measures in at 5,207mm long, 1,930mm wide and 1,397mm high – was designed at General Motors' advanced design studio in North Hollywood, California, under the direction of Frank Saucedo and is an evolution of last year's Cien concept. Mark Adams, Cadillac design director, says, "Elmiraj advances Cadillac's provocative modern design and performance, contrasted with bespoke craftsmanship and luxury.

2013 Maserati Quattroporte night testing (video)

Maserati has released a video of the 2013 Quattroporte out night testing ahead of a Detroit Auto Show public debut. The new Quattroporte is bigger and more powerful than the current model and leaves Maserati room to introduce a smaller version – the new Maserati Ghibli – to take on the sports saloons from BMW, Mercedes and Jaguar. To be honest, the video tells us little we don’t already know about the new Quattroporte (except perhaps that it has frameless glass in the side windows), but it does indicate how keen Maserati are to keep the new Quattroporte’s PR momentum on the move ahead of its debut.

Forza Motorsport 3: Microsoft's latest offers 100 tracks, 400 cars, 300,000 polygons

Even if you were an international billionaire playboy car collector (and, this being AutoWeek, some of you are), you probably would not own more than 100 or 200 cars. If you could own a racetrack, you probably could not afford more than one. You could not jet around the world on a whim--especially with all those cars--to drive whatever track you were in the mood for at the moment.