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

2011 Audi R8 GT, an AW first look

Three years after it burst onto the supercar scene, Audi has unveiled a hard-core version of its R8 called the GT. Based on the existing mid-engine R8 V10 and incorporating aerodynamic, weight-saving and mechanical developments used by the company's R8 LMS GT3 race car, Ingolstadt will build just 333 copies of the new 560-hp four-wheel-drive performance flagship. Pricing has not yet been revealed, but given the extent of the changes to the new two-seater, buyers should expect a hefty premium over the R8 V10's $147,000 price tag when the GT goes on sale in North America.

BMW X6 M50d: Performance & economy revealed

BMW X6 M50d: Performance & Economy figures revealed With the BMW X6 M50d confirmed as on its way, we now get news on its performance and economy. We’ve been reporting the likelihood that BMW will drop their new three stage turbo diesel in to the X6 for a long time now, and that’s a racing certainty after BMW teased what is almost certainly the X6 M50d this week with a video. But what about power, performance and economy on the M50d?

Infiniti FX50 by Sebastian Vettel breaks cover

Infiniti FX50 by Sebastian Vettel We still think it’s daft – Infiniti pouring money in to Red Bull F1 sponsorship – but if that’s what The PR powers that be at Infiniti want to spend their marketing budget on, they should get some payback from Red Bull. Which is why we’re being treated to the Infiniti FX50 by Sebastian Vettel. Or whatever moniker Infiniti decide to attach to this Limited Edition.