1998 98 99 00 01 Nissan Altima 2.4l oem Valve Cover Bolt(s) X1 on 2040-parts.com

Mercedes-Benz SLS AMG: The gullwing takes flight

Before we reveal what it is like to hot-lap a prototype version of Mercedes-Benz's 6.2-liter V8-powered SLS around the 2.2-mile Sachsenring in eastern Germany, let us tell you one thing that puts the big rear-wheel-drive coupe into clear perspective. The SLS, planned to get its first public outing at the Frankfurt motor show in September, is not based on any existing Mercedes model. Rather, it has been conceived, designed and engineered from the ground up in a no-compromise approach by the German carmaker's in-house tuning division, AMG.

The first SRT Viper is sold, we spot an exotic XTS, and the 2013 SVT Raptor offers more off-road fun, this week's Autoweek in review

The first SRT Viper crossed the block at Barrett Jackson in Orange County this past week, for a cool $300,000. All the proceeds will go to the Austin Hatcher Foundation, a charity to help families and children affected by pediatric cancer. While the Cadillac XTS hasn't been a stranger on public roads around Michigan, this heavily camouflaged example is a bit of a mystery.

Renault Scenic unveiled at Geneva motor show 2009

By Tim Pollard First Official Pictures 03 March 2009 11:00 Practicality is the name of the game here. The Scenic led the charge into compact MPVs back when the genre was in its infancy – and you can tell how long ago that was by the fact that Renault today launched the third-generation Scenic and Grand Scenic duo. No prizes for guessing they’re closely related to the Megane hatchback family, so much of the hardware is shared.