The Turbo featured all-wheel drive and a six-speed manual transmission as standard. In model year 2004, a 911 Turbo Cabriolet was series-produced for Six-cylinder horizontally opposed engine with VTG twin-turbo, up to 640 horsepower, acceleration of 0 to 60 mph in 2.7 seconds, and optional Sport Exhaust System for a powerful engine sound. the first time since 1989.