A company that auctions its vehicles has a representative who bids in order to increase the prices of the vehicle.

Answer

The type of bidding to increase the price is old hat. It was known in the time of the Sahaabah. The Shariah strictly forbids bidding if the intention is not to buy. If the intention is only to boost the price, it is forbidden and haraam. There is no scope for this type of deception. Rasulullah (Sallallahu alayhi wasallam) said: "He who deceives, is not of us."