The Porsche 911 is a luxury sports car originally designed and manufactured by Porsche AG in Stuttgart, Germany. It has become one of the most popular and recognizable sports cars in the world, recognizable by its distinct curved shape, equipped with a rear-mounted flat-six engine. The 911 has been in production since 1963 and has seen several generations of variations, including coupe and convertible body styles, turbocharged engines, and all-wheel drive systems.