Yes. VW produced a 4-Wheel-Drive version of the Golf Mk3 VR6 called the "Golf VR6 Syncro". It used a viscous coupling system similar (but not identical) to that in the Golf Mk2 Rallye. The system transmits all engine power to the front wheels normally, but if front wheel slip is detected, up to 40% of the engine's power is redirected to the rear wheels until traction is restored. Not only did the Syncro get 4WD, it also got the 2.9 litre, 190BHP VR6 engine from the Corrado. This helped to offset the additional power lost through the 4WD system. The straight-line performance of the VR6 Syn