What is the Q4 system on the Alfa Romeo 164?
What is the Q4 system on the Alfa Romeo 164? The Q4’s four-wheel-drive system (Viscomatic) was co-developed with the Austrian company Steyr-Daimler-Puch. The system consisted of a viscous coupling unit, central epicyclic differential and Torsen differential in the rear. For additional traction and control, the Stelvio offers the Q4 all-wheel drive system, which optimizes performance […]
What is the Q4 system on the Alfa Romeo 164? Read Post »