Koenigsegg is celebrating its 20th birthday this year, and for the occasion, the Swedish specialists are taking the hypercar to the next level with its new Agera One:1 at the 2014 Geneva Motor Show.

What's in a name? For Koenigsegg's latest creation, something totally awesome, that's what. The "One:1" designation refers to a one-to-one power-to-weight ratio – one horsepower per kilogram.

Jethro Bovingdon takes to the roads around Koenigsegg’s production facility in the most powerful road car evo has ever tested – the one metric horsepower to one kilogram One:1. Christian von ...

This is the story of how the low-volume Swedish automaker Koenigsegg built Ford's modular V8 engine into a machine capable of ...

evo doesn’t routinely feature trucks, but the Koenigsegg One:1 is very much up our street. Jethro drove it in evo 202 and called it, among other things, ‘terrifying and hilarious’.