Yamaha Warrior 350 Plastic Heel Guard on 2040-parts.com

Alfa Romeo 4C spied in Michigan

During the Detroit auto show in January, Fiat and Chrysler CEO Sergio Marchionne told us -- in his own irreverent way -- that arrival of the long-promised Alfa Romeo 4C would be delayed once again. But as these spy photos show, testing on the sporty coupe continues even as a debut date remains elusive. This isn't the first time we've caught the 4C testing in the States.

Noble M600 breaks cover

The first shots of the Noble M600 were released Wednesday. The imposing speed demon will get an eye-popping 650 hp. It will have a top speed of 225 mph and cost about $330,000, according to the U.K.

Nissan’s Juke-R vs Supercars irritating video trailers

Nissan's Juke-R vs Supercars Nissan are trailing a video of the Juke-R racing supercars in Dubai with a frustrating string of very short video trailers. Back in January we published an amateur video of the bonkers Nissan Juke-R racing a whole heap of supercars on a street track at the International Arena in Dubai and it was an interesting race, even if the production values were pretty much non-existent. But the real deal on the day was a professional video shoot by Nissan to allow a bit more Juke-R fairy dust to be sprinkled round the Interwebs with a slick and polished race story video, with Gran Turismo gamer Lucus Ordonez pitting the Nissan Juke-R against Salah Salahuddin’s supercar collection - which they’ve finally got round to editing.