A rare Koenigsegg One:1 Megacar heads to auction on July 4, 2026.
Pre-auction estimates peg the value between $9 and $12 million.
The Koenigsegg One:1 is the world's first Megacar, delivering a megawatt of power.
Some cars become legendary for performance; others go down in history for changing how engineering is approached. The Koenigsegg One:1 fits both categories.
More than a decade after its debut, one of the extremely rare examples built by the Swedish automaker is set to return to the spotlight at RM Sotheby's Tegernsee on July 4, 2026. The car could bring an estimated €8 million to €10 million ($9 million to $11.5 million).
