Porsche 911 Carrera 4 Cabriolet

Based on the 911 Carrera Cabriolet, the 2004 911 Carrera 4 Cabriolet differs most in that its drivetrain powers all four wheels. It uses an all-wheel drive system based on a viscous multi-plate clutch located directly behind the front differential. Weighing only 120 pounds (54 kg), the all-wheel drive system in the 911 Carrera 4 Cabriolet qualifies as one of the lightest such systems in the industry.

The all-wheel drive system directs five to 40 percent of the torque to the front wheels, depending on available traction and power applied. The viscous unit compensates for differing wheel speeds during cornering. While the 911 Carrera 4 Cabriolet exhibits superior traction on all road surfaces, this was not Porsche’s original intent. Porsche designed the all-wheel drive system to handle the unexpected curves and bends in the roads.

The 2004 Porsche 911 Carrera 4 Cabriolet comes with a fully automatic three-piece top that opens in a Z-configuration and folds down into a compartment behind the rear seat. Unlike most cabriolet tops that expose the inside of the roof lining when the top is retracted, Porsche’s Z-configuration keeps the inside of the roof protected at all times, takes up less space when the top if stowed, and provides better protection for the heated rear glass window when the top is down.

The Cabriolet top is made of a high-quality fabric, with a special plastic material between the outer and inner layers providing superior sound insulation and heat protection.

Like the 911 Carrera Coupe, Cabriolet and Targa, the 2004 Porsche 911 Carrera 4 Cabriolet features Porsche’s 3.6-liter, six-cylinder, horizontally opposed “boxer” engine.

Source: Porsche press

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