One of only 22 lightweight examples built Created under the watch of racing legend Jürgen Barth Weighs in at 1,095 kg upon completion (2414 lbs.) Power: 300 bhp @ 6500 rpm Torque: 265 ft/lbs @ 5250 rpm 0-60 mph: 3.9 seconds Jürgen Barth, 1977 Le Mans winner and head of Weissach’s customer motorsports department was the driving force behind the creation of the 911 Carrera 4 Leichtbau (Lightweight) the rarest 964 RS variant. The idea was to combine the 964 RS body with the more sophisticated all-wheel-drive system from the 959. The differentials are manually adjustable using 2 rotary controls.