This is the Agera R Hundra, a special version of the Agera R built by Koenigsegg to celebrate 100f Agera passing in production.
Hundra name in Swedish means "hundred" and a special edition handmade exhaust tailpipes with 24 carat gold, and gold embroidered details on the dashboard and seats. Exterior is painted in a special color and once the bodykit Agera R.