carvana co said tuesday it is buying adesas us physical auction business from kar auction services inc for 22 billion carvana said the auction business consists of 56 adesa us locations totaling about 65 million square feet of buildings on more than 4000 acres this alignment with adesa us will further strengthen our foundation for growth and provide us with significant flexibility to execute our plan through a wide range of macroeconomic scenarios ernie garcia carvana founder and chief executive said we aim to use this adesa us alignment to both improve the experiences of the adesa us physical auction customers and to focus on significant and sustainable efficiencies and unit economic improvements for carvana to catapult back into rapid profitable growth as the industry inevitably rebounds carvana shares were up 6 to 4090 in premarket trading