The One-Of-One Koenigsegg Agera RSN is a rare and unique piece of automotive history. This limited edition supercar is one of only three ever made and is valued at an estimated $4.2 million. It features a 5.0-liter twin-turbocharged V8 engine that produces an impressive 1,160 horsepower and 1,280 Nm of torque. The car is capable of reaching speeds of up to 273 mph and can accelerate from 0-60 mph in just 2.8 seconds. The exterior of the car is finished in a stunning shade of blue and features a carbon fiber body. Inside, the car is equipped with a luxurious interior that includes leather seats, a touchscreen infotainment system, and a premium sound system. The One-Of-One Koenigsegg Agera RSN is a truly remarkable vehicle that is sure to turn heads wherever it goes.