Skip over the already impressive power of the HSE model, and the Supercharged model will reward you with an extra 90 horsepower and 95 lb.-ft. of torque. The 2006 Land Rover Range Rover Sport Supercharged houses a 4.2-liter, 32-valve, dual overhead cam V8 engine. A total of 390 supercharged horsepower is available at 5,750 rpm and 410 lb.-ft. of torque is unleashed at 3,500 rpm.