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

BMW offers new M Performance accessories for M5 and M6

Tuners Alpina and AC Schnitzer aren't the only ones offering just about everything in carbon fiber for BMWs these days, and BMW has introduced performance accessories for their M5 and M6 cars, including the M6 Gran Coupe, Convertible, and Coupe. On the performance front, car owners will be able to purchase and retrofit an exhaust system developed by BMW's M division and engineering company Akrapovič -- one made entirely of titanium. This new exhaust system will be available for the M5, and all versions of the M6 and will result in a weight savings of approximately 22 pounds.

Sky takes Mazda powertrains to the next level

Mazda's next-generation of powertrains, called Sky, will feature a variety of new technologies that company engineers say improve fuel efficiency by 20 percent. The Sky engines--Sky-G for the gasoline version, Sky-D for diesel--coupled with a Sky-Drive automatic transmission or a six-speed manual, were offered for test drives during a technology day in Berlin. The Sky-G engine we drove was a 2.0-liter inline-four that made 160 hp and 155 lb-ft of torque.

Cadillac CTS-V priced to undercut M5, XFR

By Gareth Evans Motor Industry 21 January 2009 10:17 Cadillac’s new CTS-V supersaloon – claimed to be the be the most powerful Cadillac ever built – will undercut its European competition by several thousand pounds. Prices will start at £56,495, positioning the new Cadillac CTS-V just below the new Jaguar XF-R (£59,900) and comfortably undercutting German rivals such as the BMW M5 (£63,325) and Audi RS6 (a fulsome £74,550). Performance figures for the CTS-V make interesting reading, with 60mph being dispatched in 3.9 seconds and a top speed of 191mph for the manual car (175mph for the automatic).