Why don't supercars use AWD?

Supercars typically avoid four-wheel drive (4WD) systems primarily due to the balance between performance and driving experience. While 4WD systems improve launch traction, their complex drivetrain results in approximately 10% to 15% power loss and adds around 50 kilograms of extra weight, conflicting with supercars' pursuit of extreme lightweight design. For instance, rear-wheel drive (RWD) layouts achieve over 92% drivetrain efficiency, whereas traditional 4WD systems manage only about 85%, directly impacting acceleration performance. Additionally, 4WD systems' electronic interventions diminish the mechanical feedback between driver and vehicle, while supercars' core value lies precisely in delivering precise cornering control and linear response. Data indicates that among supercars launched in 2025, hybrid 4WD adoption has risen to 38%, though pure internal-combustion models remain predominantly RWD (61%), underscoring the traditional layout's irreplaceability in driving purity.