The NASCAR Nationwide Series cars might have some similarities to their Sprint Cup brethren, but their aggressive stance has an extra dose of muscle-car cool.

The current-generation Nationwide car -- which made its race debut in July 2010, just months before its first full season of competition -- features a different look with the "pony car" body style. The Ford Mustang and a sportier version of the Toyota Camry will compete with Chevrolet's new entry for 2013, the Camaro.

The design, which came after three years of research and development, features some interchangeable parts with Sprint Cup cars as a cost-saving measure. The car also made a change to a wider, taller body on a longer wheelbase -- all to help move the driver to a safer position near the center of the vehicle.