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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.

Caterham in surprise motorbike racing move

Caterham has today revealed it is moving into motorbike racing, with the launch of a Moto2 World Championship team that will debut in 2014. The two-bike team will compete in the feeder series to the ultra-popular MotoGP championship, with one rider – American Josh Herrin – already being confirmed for one of the race seats. Caterham AeroSeven unveiled in Singapore Caterham Seven 165 prototype stars at the 2013 Frankfurt Motor Show Caterham will team up with Swiss motorcycle racing experts Suter Racing Technology to design the new bike.

Peterbilt and Local Motors launch online competition

Peterbilt Motors has teamed up with Local Motors to launch a new online competition, the Peterbilt Road Icon Generation 2 challenge. The challenge is to design the next generation Peterbilt Icon, using existing elements of the cab to create a more aerodynamic, modern and stylish product. Designers will have the support and feedback of Peterbilt designers and engineers throughout the submission stage.