After a series of leaked official images and revealing spy shots, the Alfa Romeo 4C Spider has made its official debut on the dawn of the North American International Auto Show.

After a series of leaked official images and revealing spy shots, the Alfa Romeo 4C Spider has made its official debut on the dawn of the North American International Auto Show.

Alfa Romeo has retained most of the 4C Coupe's design and they added sculpted air intakes on the sides while the removable & stowable cloth roof will be available alongside an optional exposed carbon fiber hardtop. The open-air version also gets far more attractive headlights, a deck lid with three functional heat extractors and an aero-optimized spoiler while the taillights come with LED technology. Also at the back is an optional Akrapovic performance exhaust system with center-mounted tips that have carbon fiber surrounds.

The 4C Spider comes with four fresh alloy wheel designs in sizes ranging from 17 to 19 inches and matched with silver, red, yellow or black brake calipers. The client can choose from one of the seven exterior paints available, including the new Giallo (yellow) hue while inside there are six combinations with two seat material options. The added complexity of the roof has increased weight by only 22 lbs (10 kg) which means the Alfa Romeo 4C Spider should be just as fun to drive as its fixed roof sibling.

Power comes from the same four-cylinder, 1.75-liter turbocharged gasoline engine delivering 237 bhp (177 kW) and 258 lb-ft (350 Nm) of torque through a twin-clutch gearbox with steering wheel-mounted paddle shifters changing gears in only 130 milliseconds. It completes the 0-60 mph (0-96 km/h) run in 4.1 seconds and will top out at 160 mph (258 km/h).

On the inside it boasts two composite-framed sport seats covered in leather, a flat-bottomed leather-wrapped steering wheel, aluminum pedals, carbon fiber vent surrounds and a seven-inch color digital cluster. The 4C Spider comes with an Alpine sound system with support for HD radio, SiriusXM Radio, USB & iPod connectivity and Bluetooth streaming.

Alfa Romeo says deliveries in United States and Canada are scheduled to begin this summer.

Additional details can be found in the attached press release.

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