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More Power! Get the details on the potent Porsche 911 GT3 RS 4.0

Porsche has ramped up the already heady performance of the 911 GT3 RS through the adoption of a new, naturally aspirated 4.0-liter version of the company's sturdy, horizontally opposed flat six-cylinder engine. The unit kicks out 50 hp more than the 3.8-liter six-cylinder used in the existing 911 GT3 RS. This mill claims 500 hp at 8,250 rpm, a figure which makes the speedster the most powerful naturally aspirated road-going version of the 911 ever.

Infiniti means . . . what?

Ever since Infiniti was launched with mystifying advertising images of rocks and trees 21 years ago, Nissan Motor Co.'s luxury brand has been hard to pin down. Vehicles such as its G37, the 2011 M sedan and the QX56 SUV turn heads and win praise in buff books. But while luxury competitors such as BMW, Mercedes-Benz, Audi and Lexus have soared in consumer popularity over the past decade, Infiniti has struggled to keep up.

Mullin Museum to open next month

What promises to be one of the most significant automotive-museum openings in decades will take place next month when collector Peter Mullin opens the Mullin Automotive Museum in Oxnard, Calif. Mullin is known for his love of French cars, and the museum will have more than 100 of them. Graceful and elegant Delahayes, Delages, Talbot-Lagos, Voisins, Hispano-Suizas and Bugattis will all be on hand, wrapped in voluptuous forms from coachbuilders Chapron, Figoni et Falaschi, Gangloff, Vanvooren, Labourdette, Letourneur et Marchand and Saoutchik, among others.