Ski-doo Formula Z, 500, 1999 Ignition Switch - 410-1113-00 on 2040-parts.com

Rockin' for a Cause: Iconic Jim Marshall photography to be auctioned to benefit MS

From black-and-white photographs of some of rock and roll's greatest performers to thoughtful, provocative portrayals of the automobile, Jim Marshall captured enduring images of two of America's greatest passions. Now, for the first time since he died earlier this year, some of his original photographs will be auctioned to benefit his favorite charity, MSFriends. Two portfolios of Marshall's work from the launch of Nissan's iconic GT-R supercar will be sold at a July 24 fundraiser called Rock for MS at the Petersen Automotive Museum in Los Angeles.

Jaguar XFR with supercharged V8 at the Detroit auto show

Jaguar is expanding the XF range for the 2010 model year with the addition of the high-performance XFR which has been unveiled at the Detroit Auto Show Lurking under the hood is a supercharged version of Jaguar's new 5.0-liter direct-injection V8. For the XFR, this engine is rated at 510 hp and 461 pounds-feet of torque. That power is routed through a six-speed automatic transmission.

Porsche 911 50 Years Edition (2013) at Frankfurt motor show

Here’s the inevitable special edition 911 to celebrate Porsche’s rear-engined icon’s half-century. The 911 50 Years Edition uses the Carrera 4’s 44mm-wider-than-standard body, rear-wheel drive and the Carrera S’s 395bhp 3.8-litre flat-six engine in either seven-speed manual or PDK form. In a nod to the 911’s birth year, only 1963 examples will be produced, each costing a cool £92,587 – a £10k premium over the Carrera S.