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

Revealed: Mercedes-Benz CL63 AMG

Less than a month after revealing a raft of changes to standard versions of its range-topping coupe, Mercedes-Benz has lifted the veil on a more powerful and significantly more economical CL63 AMG. Set for U.S. sale from November, the up-market performance coupe receives a series of mid-life styling tweaks, including larger headlamps, a restyled grille, more heavily contoured hood and re-profiled bumpers--all aimed at providing the CL63 AMG with added appeal against stiff competition from the likes of the Bentley Continental GT and the newly refreshed Aston Martin DB9.

Aston Martin V12 Vantage Roadster & new Vanquish hit the Nurburgring (video)

Aston Martin may have already revealed the new Vanquish and the V12 Vanquish Roadster, but they’re still playing at the Nurburgring. For a small company with limited resources, Aston Martin is doing very well on the new model front. First we had the launch of a new car with an old name – the new Aston Martin Vanquish – followed earlier this month by the official reveal of the soft-top V12 Vantage – the Aston Martin V12 Vantage Roadster.

Fiat and Chrysler to completely merge?

Chrysler Group and Fiat Group's auto division could become a single company based in the United States, Chrysler and Fiat CEO Sergio Marchionne told an industry conference here Friday. That won't happen until after Chrysler refinances the government loans that have kept if from being profitable and holds an initial public offering, both of which Marchionne hopes will happen this year. "From a corporate governance standpoint, there's a point where separate companies make no sense.