The Koenigsegg Agera is a mid-engine sports car produced by Swedish car manufacturer Koenigsegg. It is a successor to the CCX/CCXR. The name comes from the Swedish verb 'agera' which means "to act" or in imperative form "(You) act!".

The Koenigsegg Regera is a limited production, plug-in hybrid grand touring sports car manufactured by Swedish automotive manufacturer Koenigsegg. It was unveiled at the March 2015 Geneva Motor Show. The name Regera is a Swedish verb, meaning "to reign" or "to rule". Koenigsegg produced 85 units of the car, most of which were sold upon unveiling.