The 4.4L AWD twin-turbo engine, available for models within a specific range, is a powerful used engine option for those looking to enhance their AWD vehicle's performance. Its V8 twin-turbo layout provides balanced power across all wheels, and the dual fuel injection system ensures efficient performance. The timing system within the DOHC adjusts to maximize power for models within this range. This used engine is well-suited for those who prioritize both power and stability, offering reliable performance across various driving conditions.