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

New Cadillac ATS to take on BMW 3 Series (+video)

Cadillac ATS - sorted at the Nurburgring GM has revealed that their new compact Cadillac ATS will debut at the Detroit Auto Show in January and go on sale in late 2012 as a 2013 model. The idea, just a few short years ago, that Cadillac could build a car that was capable of making the Germans look over their shoulder would have been laughable. But the new Cadillac ATS – debuting at Detroit in January – could do just that.

2015 Porsche 911 Carrera GTS revealed – but not in Paris. Costs from £91,098

The new 2015 Porsche 911 Carrera 4 GTS (pictured) now on sale We had assumed that the lack of an appearance at the Paris Motor Show for the new Porsche 911 Carrera GTS meant Porsche had decided to leave the official reveal until later in the year. But here it is, and it’s going straight on sale. Having waited almost until the end of the 997’s life before launching a 911 GTS, this latest GTS is arriving much earlier in the 991’s lifecycle than you’d expect.

British Grand Prix 2011: Button and Hamilton's video guide

Where will you be Sunday lunchtime? Anyone who's even remotely interested in Formula One will be in front of the TV getting psyched up as 12 F1 teams take to the world’s fastest circuit.  Yes, 15 weeks in and 22 of the finest F1 drivers will be lining the grid, thinking about how they will tackle Abbey, the first right-hand corner, the fastest corner on the track where the drivers experience a peak G-force of 4.8g and over 4g for 1.3 seconds! At which point the car is experiencing two and a half times its weight in downforce through the corner.