Simply put, the Turbo version of the 911 convertible makes the Carrera S version look like a slouch, even though it isn't.

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The 911 Turbo Cabriolet features new design cues such as the titanium-colored slats, featured in the front fascia's air intakes. The front fascia is also adorned with stylish and functional new LED turn indicators and daytime running lights.

Corralled in the engine bay are 125 extra horses for a total of 480 from the 3.6-liter flat six-cylinder. Torque is rated at 460 pound-feet from a low 1,950 to 5,000 rpm. The Sport Chrono Package Turbo, which offers an overboost function, further raises the torque to 505 pound-feet at the touch of a button.

Responsible for the extra firepower are twin turbochargers featuring Variable Turbine Geometry. Acceleration from zero to 60 miles per hour is achieved in just 3.8 seconds for the manual six-speed transmission and 3.5 seconds for the optional Tiptronic S five-speed automatic. The top speed is 193 mph.

When you go fast, you may also need to stop fast, so Porsche equips the 911 Turbo with six-piston brakes up front and four-piston brakes out back, all with aluminum-fixed calipers and ventilated discs. For more stopping power, the Porsche Ceramic Composite Brake system is optional.

Porsche Active Suspension Management, with normal and sport settings, is standard.

A spoiler rises out of the rear body work at 75 mph to reduce lift at high speeds -- and then retracts when the vehicle dips below 37 mph.

The convertible's drag coefficient is remarkably low at just 0.31, enabling the Cabriolet to offer 15 mpg city with either transmission, and 24 with the manual on the highway (23 with the automatic).

Two-tone 19-inch alloy wheels show the world the 911 Turbo means business -- and new optional 19-inch aluminum-alloy wheels with the classic RS Spyder styling and motorsport-derived center-lock design give added performance.

An advanced braking system that features six pistons upfront, and four in the rear (with ceramic composite brakes optional), bi-xenon headlights and optional dynamic cornering lights swivel up to 15 degrees to illuminate around corners automatically.

Like other 911 convertibles, the soft-top roof can be lowered in just 20 seconds at the touch of a button. A standard detachable wind deflector reduces turbulence and noise in the passenger compartment at high speeds, while a lightweight aluminum hard-top is an option.

Many interior amenities come standard including automatic climate control, an on-board computer, HomeLink system and 12-speaker Bose surround-sound audio system.