Is purchasing a car in installments from a company through a bank, where the bank's role is limited to transferring the monthly installments from the buyer's account to the company's account in exchange for a commission, considered usury?

There is no objection to the aforementioned transaction as long as it does not include a condition for an increase in installments upon delay in payment. There is also no objection to the bank taking a commission for transferring the installments to the company's account, because the transfer is a service for which compensation may be taken. This has no relation to usury as long as the installment is transferred from the buyer's account balance and is not a loan from the bank.