Carlson H7345 Parking Brake Hardware Kit on 2040-parts.com

The first SRT Viper is sold, we spot an exotic XTS, and the 2013 SVT Raptor offers more off-road fun, this week's Autoweek in review

The first SRT Viper crossed the block at Barrett Jackson in Orange County this past week, for a cool $300,000. All the proceeds will go to the Austin Hatcher Foundation, a charity to help families and children affected by pediatric cancer. While the Cadillac XTS hasn't been a stranger on public roads around Michigan, this heavily camouflaged example is a bit of a mystery.

Karmann files for insolvency

Karmann, the century-old German coachbuilder synonymous with cabrios and the famous 1950s Karmann Ghia, has filed for insolvency. The company made the move Wednesday in Germany in response to a dramatic decline in revenue, an inability to pay for its massive layoff plan and the worldwide economic crisis. The North American operations, which make convertible tops for Detroit car companies and Volkswagen, are not affected, a spokesman said.

Our favorite two-ton rockets, an AW list

High powered engines aren’t just for sports-cars anymore. Even SUVs and trucks are getting into the fight with some examples packing over 500-hp. To make this list you need to be able to haul--and haul ass.