Insertable 4x4

Ferrari has been working on a proprietary part-time four-wheel drive system designed for both its mid- and front-engined models for the past several years. Christened the “Insertable 4x4”, not much has been seen or heard about the system for some time but now a mysterious Ferrari prototype has been spotted, suggesting that work on the system is ongoing. Early last year a search of the European Patent Office revealed that Ferrari had applied for a new patent for a four-wheel drive system combined with an electric motor in a sort of hybrid configuration. In this setup, the...