2015 Chevrolet Corvette Z06 Convertible: New York Debut Boasts 625 Horsepower

By Trevor Dorchies on April 16, 2014 4:01 AM

One of the more powerful offerings to bow at New York Auto Show is the 2015 Chevrolet Corvette Z06 convertible. With preliminary ratings of 625 horsepower and 635 lb-ft of torque courtesy of the all-new LT4 6.2-liter supercharged V8 engine, the 2015 Z06 convertible touches ZR-1 output. If these numbers make it through SAE certification, it would be the most powerful convertible assembled by Chevrolet. All this power will find its way to the pavement courtesy of a 7-speed manual or, more notably, an 8-speed automatic built in house by General Motors. 

For 2015, the Z06's aluminum structure is 20 percent stiffer than the previous fixed-roof model. Since Chevy didn't need to use additional reinforcements on the convertible's body, it practically weighs the same as the Z06 coupe. The aluminum structure took over four years and 186,000 computational hours to develop with the C7, Z06, and the even more potent C7.R race car in mind. Both the Z06 coupe and convertible share the same chassis tuning, powertrain output, driver technologies, and optional equipment - which includes the Z07 performance package. The option includes Brembo carbon-ceramic brakes, Michelin Pilot Sport Cup 2 tires, and adjustable front- and rear-end aerodynamic bits. In standard form, spin-cast aluminum wheels are shod with Michelin Pilot Super Sport tires measuring P385/30ZR19 up front and 335/25ZR20s in the rear.

Minor Changes from Coupe to Convertible

Only minor styling changes distinguish the Z06 convertible from its coupe counterpart. The convertible features an electronic top that can be activated through the key fob. You can even operate the top when going up to 30 mph. The thick fabric enables for a quiet interior and is offered in four different colors. The power operated tonneau cover forced Corvette engineers to move the air intakes for the differential and transmission coolers from the rear quarter panels of the Z06 coupe to the underbody of the convertible. Other than that, both models share the same performance-oriented aesthetic.  

The 2015 Chevrolet Corvette Z06 convertible marks the first time since 1963 that the division has built such a model. Back then, the Z06 package was introduced for endurance racing and company records indicate only 199 Corvettes built in 1963 left the factory with this particular package, one of which was a convertible. The Z06 coupe and its convertible counterpart should begin appearing in dealerships nationwide later this year. 

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