Just ahead of the Frankfurt Motor Show, Audi has revealed the Audi Nanuk Quattro Concept, an all-wheel-drive, turbo-diesel two-seater supercar. Power comes courtesy of a twin-turbocharged 5.0-liter V10 TDI, mounted longitudinally in front of the rear axel and mated to a 7-speed S tronic gearbox, and good for 544 horsepower and 738 lb-ft of torque. The 4,189-pound all-road crossover rides on 22-inch wheels wrapped in 235/50 tires up front and 295/45 tires at the back, and features an air suspension that has electronically controlled dampers allowing the driver to manually adjust the ground clearance. Another technical benefit is integral steering, meaning the rear wheels turn up to nine degrees in the opposite direction of the front wheels during low speeds to bolster maneuverability, while pivoting up to 2.5 degrees in the same direction of the front wheels at higher speeds to enhance stability. No word from Audi as to whether the concept will eventually make it to production.