The New Porsche Type Cayenne Turbo Comes with 690HP

Aside from the Mercedes SLS AMG Cormeum and the Ferrari 458 Italia Siracusa, that we've already told you about, the tuner's Swiss subsidiary also revealed a new program for the latest generation of the Porsche Cayenne Turbo SUV. The tune includes an excessive aero treatment with a wide-body kit that extends the vehicle by 60 mm at the front and 80 mm at the back and also comes with numerous carbon fiber parts such as the bonnet, side skirts and rear diffuser. New daytime running lights and a set of 22-inch black alloy wheels shod in massive 295/30 tires further differentiate the SUV's looks from its factory sibling.

2011Porsche 911 Turbo with 730HP and 370+km/h

The 2011 Geneva International Motorshow plays host to the world premiere of the RUF Rt 12 R. The latest supercar from the Porsche tuning specialist is based on the 911 Turbo having received a bevy of modifications including a engine kit that pushes the output of the 3.8-liter twin-turbocharged flat six from 500HP. The 911 Turbo through the use of exotic materials such as the carbon fiber wings, front luggage cover and bucker seats. The price of the Rt 12 R is set at €279,000 or about US$386,400 at today's exchange rates.

2011 Brabus 700 Biturbo is One Mean Mercedes-Benz SLS AMG

The Mercedes-Benz SLS AMG is the car most tuners wanted to put their mark on at this year's Geneva Motor Show. Brabus  of course, couldn't miss out on this party, so here's what they came up with: a 700 horsepower wide-body version of an already impressive supercar. Developed by Brabus, the engine conversion also includes a large intercooler, high-performance air filters, new mapping and specially manufactured forged pistons.