For half a century, rear-wheel drive was the soul of the performance car — a covenant between driver, machine, and physics. Now, as the 2027 BMW M2 adopts all-wheel drive as its default configuration, the last symbolic holdout has joined Porsche, Mercedes-AMG, Jaguar, and Chevrolet in acknowledging that extreme power has outgrown the two-wheel contract. The change is not a betrayal so much as a reckoning: when horsepower climbs beyond what two tires can honestly manage, the road itself demands a different answer.