The Koenigsegg One:1 Top off RACE MODE is a car mod for the Assetto Corsa simulation game. The mod is based on the high-performance hypercar developed by Swedish manufacturer, Koenigsegg. The name One:1 denotes the car's incredible power-to-weight ratio of one horsepower per kilogram, making it one of the fastest cars in the world.
The car features a top speed of approximately 273 mph (439 km/h), with an acceleration from 0 to 60 mph in just 2.8 seconds. It is powered by a 5.0-liter V8 engine with two turbochargers, delivering a staggering output of 1341 horsepower and 1371 Nm of torque. The car features a seven-speed dual-clutch transmission and rear-wheel drive layout.
The mod incorporates realistic physics and graphics that showcase the car's characteristics and performance. It stands out for its extreme speed and excellent handling. This particular mod version includes a "top off" design that removes the roof for an open-air driving experience, along with an ultra-aggressive "race mode" for track-oriented performance.

Credits:
SS Tuned