Magnesium wheels, valued for their light weight, have long been used in motorsports and high-end production cars. Here are five examples.

source: Collective Auto Group Sometimes we find really cool things for sale online. Whether it be cars, parts, or racing memorabilia, we...

1984 Audi Sport Quattro, believed to be one of the only examples delivered new to Japan, one of just 214 Sport Quattros constructed.

The 1991 Mercedes-Benz C112 concept showcased innovation but never went into production, leaving a legacy in Mercedes-Benz tech.