The end of an era is upon us as the Bugatti Chiron is entering the homestretch.

With production limited to 500 units, it was only a matter of time until the model was phased out. That’s now beginning as the final units of the Chiron and Chiron Sport are already under construction.

However, the car isn’t quite ready to ride off into the sunset as Bugatti is transitioning to the “final production phase” which will see them exclusively build Chiron Pur Sport and Chiron Super Sport variants. Customers looking to get their hands on one of these models better act fast as the company has less than 40 build slots remaining.

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Bugatti says the success of the Chiron has been “unprecedented” as 300 units were ordered in the 18 months following its initial announcement. The company added demand has remained strong in the following years and the United States is the Chiron’s “strongest market.”

Bugatti’s Director of Sales and Operations, Hendrik Malinowski, stated “With the Chiron Pur Sport and Super Sport, we are offering customers the culmination of years of continual development of the Chiron platform. This spectrum of performance, whether it be hitting the apex on-track, or cruising on Autobahns in total luxury, takes the Chiron to an entirely new level. Now with so few build slots remaining, the purity of the W16 recipe is being honored in style.”

Speaking of which, the Chiron Super Sport is one of the most impressive vehicles of all time as it sports an 8.0-liter W16 engine that produces a staggering 1,578 hp (1,176 kW / 1,600 PS). This enables the car to accelerate from 0-124 mph (0-200 km/h) in 5.5 seconds and 0-186 mph (0-300 km/h) in 12.1 seconds, before hitting a top speed of 273 mph (440 km/h).