Published on January 10th, 2021 | by Amirul Mukminin


Koenigsegg Agera RS Refinement Takes Inspiration From One:1

This special project took six months to complete

At first glance, this looks like a ‘regular’ Agera RS but it turns out that this red and black unit has been modified by Koenigsegg’s very own aftermarket team to look like the One:1.

According to the Swedish marque, which christens the car Agera RS Refinement, the owner initially requested for a pair of air vents on the front hood as found on the One:1. To accommodate the vents, the hood had to be completely replaced with a new one which has a carbon fibre panel running through the middle.

It did not stop there as the aftermarket team managed to coax the owner to go for additional upgrades. These include front winglets and a rear bonnet scoop. There’s also a new rear spoiler that is active and controlled by the in-car software. It replaces the original, spring-actuated wing. Rounding off the sinister look is the Jet Black finish on all the bolts, logos, accents and the exhaust tip.

The interior appears to remain standard save for a new digital instrument cluster called SmartCluster carried over from the Regera.

We’re not certain if the 5.0 liter twin-turbocharged V8 has been tuned to churn out more power but with 1,160 hp and 1,280 Nm on tap, it is definitely the last thing it needs.

BHP diesel


Handcrafted in only 25 examples, the Agera RS is one model that is truly special to Koenigsegg. One of them – a customer’s Agera RS set the top speed record of a homologated car on a public road in 2017 in Nevada, USA. It harnesses the advanced technology developed during the iconic Koenigsegg One:1 program while housing all the practical functionalities in prior Agera S and Agera R models. These include a luggage compartment and the recognizable stowable roof.

The Agera RS cars that left production feature advanced lightweight sound insulation, a front splitter optimized for the track, front winglets, side skirts, an advanced dynamic underbody flap system and a dynamically active rear spoiler for added downforce (up to 450 kg at 250 km/h). The Agera RS also features improved side air outlets behind the front wheels, increased power and a raised rpm limit.

In 2020, our aftermarket team had yet another spectacular opportunity to work on a truly special Agera RS. It’s not every day that we got to work on a project quite as extensive and exciting as this. It all started in the fall of 2019 when the customer came forth with a desire to include a couple of One: 1 inspired air vents on the front hood. Slowly working out the likes of the customer, the aftermarket team began proposing some additional upgrades in the same vein. What started as a rather simple request that should have taken no more than a month snowballed into quite the epic mission that spanned about half a year. Check out the illustrated photo-article below for the different elements of this extensive upgrade!

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