Hi Ahava_yin, If 'Auto Loan' is the name of a business then we would say 'I'm planning to buy a car through Auto Loan'. If it is a service, 'an auto loan', then we would say 'I'm planning to buy a car with an auto loan'. There are other possibilities, of course.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Pieanne"car loan"?