05-06 Chevrolet Cobalt 2.2l Gauge Instrument Cluster Speedometer on 2040-parts.com

One Lap of the Web: Mercedes-Benz SLC rendered, Google Glass for the Tesla S and a rusty Datsun 280ZX

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. -- Last month we brought you some intriguing spy photos of a Porsche 911-fighting Mercedes-Benz coupe -- possibly to be called the SLC, or even the next SLS AMG (it's all a bit unclear at this point) -- but layers of camouflage made it a bit tough to see what the car will look like.

Rumor mill: Porsche 928 successor on the way?

Porsche is reportedly planning a spiritual successor to the front-engine, rear-drive 928 coupe, according to U.K. magazine Autocar. The new grand tourer, which could wear the 929 nameplate, will be based on a shortened version of the Porsche Panamera platform and will be offered in both coupe and convertible body styles.

2015 Mercedes-AMG GT teased

If you’re glum that the thunderous Mercedes-Benz SLS AMG is no longer in production, don’t be. There’s a new hot rod with a three-pointed star in town. This is the first picture of the new 2015 Mercedes-AMG GT – a sports car from the German firm that will go up against the Porsche 911, following its debut at the 2014 Paris Motor Show.