Xtant 4180c Amp on 2040-parts.com

Chevrolet WTCC Ultra concept

Chevrolet has released a sketch of their WTCC Ultra concept that will be unveiled at the Paris Motor Show in three weeks. Styled by Ewan Kingsbury of GM Australia, who also worked on the Holden Torana, the concept was further developed in Europe to produce a fully working prototype, while the engine comes from Korea and the body from Japan. The international collaboration demonstrates the breadth of GM's resources, and has resulted in Chevrolet's vision of a new generation of World Touring Cars.

2013 Astra Convertible spied on video – The new Vauxhall Calibra / Opel Manta?

2013 Astra Convertible Spy Vauxhall and Opel have now managed to reveal much of the new Astra Model range – with the Astra GTC debuting at Frankfurt last month being the latest – but there’s still the drop-top Astra Convertible to come. The 2013 Astra Convertible – which may arrive as the new Vauxhall Calibra – has been caught on video testing ahead of an expected debut at Paris in 2012, before going on sale across Europe in 2013. Looking very much like the GTC with a cloth top, the new Astra Convertible loses the tin-top of the old model and gets a folding canvas top in the name of economy, lightness and dynamics.

BMW M3 Lime Rock Park Edition set for fall

The current generation of the BMW M3 has been with us since 2007. As it nears a refresh, the company built a limited run of 200 special M3 coupe Lime Rock Park Edition cars to celebrate the racetrack in Connecticut. Skip Barber, owner of Lime Rock, and BMW collaborated on the vehicle, which will only come in what BMW calls fire orange.