Mercedes-Benz Concept S-Class Coupe stars at the 2013 Frankfurt Motor Show

Mercedes is on a luxury drive here at Frankfurt 2013, displaying many different versions of its ‘best car in the world’ S-Class saloon, as well as this: the Concept S-Class Coupe. It’s a massive two-door, four-seat coupe based on the S-Class that combines luxury and style. Over at the Bentley stand, the Continental GT is quaking in its boots…

Audi Space Frame comes full circle at Frankfurt motor show

Audi is celebrating the 20th anniversary of the ASF, or the Audi Space Frame. After all, it was at the 1993 Frankfurt motor show that Audi wowed the world with the innovative all-aluminum Audi A8 prototype. And now, 20 years later, more than 750,000 cars have been built using this technology.

One Lap of the Web: Peugeot climbs, an extremist sinks and a proposed $1,500 race car

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. -- Peugeot has prepped a Pikes Peak 208, and the folks at Gizmag take an in-depth look at the car.