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

Hennessey tunes the McLaren MP4-12C

Texas tuner Hennessey Performance will offer an upgrade package for the McLaren MP4-12C. The result is an 800-hp machine that looks even more sinister than the car it came from. The blood-red paint, carbon-fiber aero kit and blacked-out wheels in the rendering all say supercar to us.

Vauxhall & Opel could merge with Peugeot Citroen.

GM Europe (Opel and Vauxhall) could extend their deal with PSA (Peugeot Citroen) with a Joint Venture or merger. When GM Europe and PSA announced they were forming an alliance earlier this year, we asked if this was an admission that the mainstream car market in Europe had changed forever, and an alliance between Opel, Vauxhall, Peugeot and Citroen was the only way to keep the brands viable. But we did also question what use a projected annual saving of €2 billion by sharing suppliers and co-developing platforms would be to PSA and GM considering their woeful losses.

GMC Granite at the Detroit motor show 2010

This is the GMC Granite, a new concept car unveiled by GM at the 2010 Detroit Auto Show. Designed to move away from GMC's current range - which is dominated by pick-up trucks and full-size 4x4s - the Granite is much smaller than any GMC currently on sale. Yes, the Granite is just 4097mm long, making it shorter than a Ford Focus or BMW 1-series.