Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

First Sight: Mercedes-AMG GT

“If I was to buy any sports car that wasn't a Mercedes, it'd be a Porsche 911,” says Mercedes' head of design, Gorden Wagener. “But when you see the two cars together, we think ours has the edge.” He's talking about the new Mercedes-AMG GT, a front-mid engined, two-seater sports car that's unashamedly aimed at higher-end 911s, and we've come to see it at Mercedes' Sindelfingen studio.  The GT replaces the larger SLS, and is seen by Wagener as the best example yet of his 'sensual purity' design philosophy: “The SLS is very much [he gestures] line, line with a surface in between. With the GT we started with the surface and worked to refine and reduce the number of lines.” Elements of the SLS's platform have been carried over, so the GT measures the same 1,939mm wide.

Fisker delays Atlantic production start to 2014-2015

Fisker Automotive will start production of the Atlantic in late 2014 or 2015, according to a Reuters report. That's two years later than the planned production start of the midsized gasoline-electric sedan. “The Atlantic is really the volume car that begins to build growth,” Fisker CEO Tony Posawatz said during a conference call with investors and analysts.

Tuner MTM debuts 722 hp Audi RS6 Avant

It seems a minor horsepower war has just erupted over in Germany, and the title at stake in this conflict is which tuning house can build the most powerful Audi RS6 Avant. Not that long ago ABT Sportsline unveiled a 700 hp Audi RS6 Avant, an absolutely rabid grocery-getter that can make the sprint to 60 in just 3.4 seconds. ABT's RS6 Avant packs 25 percent more power than the stock version of the RS6 Avant, which made an already hair-raising 560 hp.