The 2021 Polaris RZR Pro XP 4 Sport Turbo is a 4-seat, high-performance sport side-by-side powered by a 925cc 4-stroke DOHC twin-cylinder turbocharged engine delivering 181 horsepower . It features a liquid cooling system, electronic fuel injection, and an automatic PVT transmission with an isolated Xtreme Performance True On-Demand AWD/2WD system. Built on a 125-inch wheelbase with a 64-inch stance , the vehicle measures 155 inches long, 64 inches wide, and 73.6 inches tall, offering 14.5 inches of ground clearance and an estimated dry weight of 2,020 pounds . It rides on 30-inch Maxxis Carnivore II 8-ply tires wrapped around 14-inch cast aluminum wheels, utilizes 4-wheel hydraulic disc brakes, and includes a 13-gallon fuel capacity alongside a 300-pound rear cargo box capacity .