Porsche 918 RSR concept (2011) first official pictures

Porsche opens orders books for 918 Spyder (2011)Porsche 918 Supercar hybrid to be builtCAR interviews Porsche's R&D boss Wolfgang Durheimer (2011) Two of 2010’s most exciting cars were the Porsche 911 GT3 R Hybrid racer, and the Porsche 918 Spyder concept car that previewed Porsche’s hybrid successor to the Carrera GT supercar. What do you get when you mix the two together? Answer: the new Porsche 918 RSR, just unveiled at the 2011 Detroit motor show.

HBH tunes an Aston Martin V12 Vantage into the Bulldog GT

We love one-off specials here at Autoweek almost as much as we love the supercars upon which they're based. And if you're a tuner trying to pick a good chassis, we can't think of a much better place to start than the Aston Martin V12 Vantage. That's what Danish company HBH did for its Bulldog GT.

2013 Chevy Sonic RS priced at $20,995

The sportier 2013 Chevrolet Sonic RS carries a sticker price of $20,995, including destination, when paired with a six-speed manual; the automatic version will sticker for $22,280. The RS differs from the base Sonic with unique transmission gearing in the manual and a higher, 3.53 final drive ratio for the automatic transmission. It's available only in hatchback form.