The Vorsteiner GTRS3 is what happens when you put a lot of carbon fiber, an M3 and some Porsche tail badges in a blender with a dollop of Venom’s symbiote as your solvent. Result: a stealthy post-apocalyptic performance milkshake on wheels.

With Alfa Romeo midway through its centenary year, Italian coachbuilder Zagato is adding to the automaker’s centenary celebrations with the world premiere of a new concept sports car at this month’s 2010 Villa D’Este Concorso d’Eleganza.

Marking the return of the famous GTO badge, which stands for “Gran Turismo Omologata”, Ferrari today unveiled the 599 GTO, a limited edition supercar that’s inspired by the track-only 599XX prototype.

During last week’s press days of the 2010 New York International Auto Show, Kia took the veils off the all-new 2011 Optima mid-size sedan (click here for details) that will carry the same name in all markets outside Korea.

While Audi execs are whistling dixie about the possibility of the new RS5 Coupe making its way on this side of the Atlantic, Automobile magazine is reporting that the 450-horsepower strong stallion from Ingolstadt is likely to arrive in the U.S. by summer of 2011.

For the first ever, Subaru is offering its top-of-the-line Impreza WRX STI in two body styles with the return of the four-door saloon model that’s aimed directly at the Mitsubishi Lancer EVO X.

Hyundai’s big reveal for the New York Auto Show was the all-new 2011 Sonata Hybrid that will compete head-on with the likes of the Toyota Camry Hybrid and Ford Fusion Hybrid when it arrives in U.S. showrooms later this year.

As a possible precursor of things to come, Toyota displayed a customized version of the all-new 2011 Scion iQ prepared by Five Axis at the New York International Auto Show.