Audi A6 C7 A7 Rear View Mirror Lower Trim Cover Soul Black Genuine 4g0907299ab4p on 2040-parts.com

Jag GT3 racer hints at 500bhp XKR

By Phil McNamara First Official Pictures 06 November 2006 09:48 Jaguar XKR GT3: the lowdown This is the Jaguar XKR GT3, a 550bhp, race-fettled XK which will campaign in the 2007 FIA GT3 series. But the big news is that its uprated V8 engine is bound for a roadgoing XKR, to propel Jaguar up the power league and into the realm of Merc's 510bhp SL55 AMG and BMW's 500bhp M6. Apex Motorsport will design, develop and campaign the XKR GT3, shown here in an official artist's impression.

One Lap of the Web: Elon Musk's Hyperloop, Greenwich Concours and a Model T

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. The 2013 Porsche Rennsport Australia went off over Memorial Day weekend at Sydney Motorsports Park and motorsportretro.com has full gallery of pictures.

Mercedes SL (2012): aluminium saves 8% weight

Mercedes' new 2012 SL will weigh a solid 140kg less than today's SL roadster - a significant saving of some 8%. This crash diet has been enabled by the adoption of aluminium for the new SL. The learnings from the SLS gullwing are now trickling down to the higher-volume SL, which will be revealed in December 2011.