Unlike those three they have a unique vehicle sourcing model. (Fleet consignment.) They also have no inventory carry costs and a way lower cost per acquisition.
They recently raised $305 million at $10 per share. The company has been around for 10 years and is already profitable in their model. Their gross profit per unit went from $800 to $2,181 with more strategic moves. (IE getting a piece of financing.)
One of the strategic investors is the countries largest repo auctioneers.