Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

2013 SRT Viper costs less than $100,000

We’ve had our first taste of the 2013 SRT Viper on-track at GingerMan Raceway in South Haven, Mich., which you can read about here. Now we know about how much it will cost to put the new V10 sports car in your garage. The SRT Viper starts at $99,390, which includes $1,995 for destination but doesn’t include a gas-guzzler tax that’s still being finalized.

Concept Car of the Week: Saab Aero X

In January 2005 Bryan Nesbitt, then-executive director of GM Europe Design, charged the 15-strong Saab Advanced design team in Gothenburg, Sweden, to create the "ultimate vision of the brand". The design team – led by head of Advanced Design at Saab, Anthony Lo – worked on a number of sports car proposals, which were considered 'the jet fighters of the road.' The chosen proposal by Alex Daniel was for a large, front-engined sports car that would become one of the most universally acclaimed concept cars of recent times. Of course the Aero X's door arrangement – complete with huge, forward-hinged canopy – is its party trick, but even without the theatrics the car's proportions, surfacing and graphics are exceptional.

Chevrolet Sonic

The Sonic is Chevrolet's latest attempt to induce a small car in the American market and take on the Ford Fiesta in one fell swoop. Replacing the generally unaccepted Aveo, the Sonic draws from a youthful and aggressive design in a bid to appeal to the younger market. Available as a four-door sedan (seen here) as well as a five-door hatchback, the Sonic displays a 'progressive exterior design', according to the American brand's press materials.