'car loan' is correct and usable in written English.
You can use it whenever you need to refer to a loan taken out for the purpose of buying a car. For example: "I had to take out a car loan to afford the new car."
Car loan and credit card costs jump.
Have you financed a car loan through the MILES program?
We beat a hasty retreat from the car loan.
Her cellphone has been ringing incessantly with calls from the financing company for her car loan.
Have you ever transferred a car loan or other type of loan to a credit card?
EXTREME CAUTION For the average person, debt is a mortgage, car loan or credit card balance.
It also meant that she couldn't co-sign a car loan for her disabled brother.
(The other potential buyer was someone with poor credit who couldn't qualify for a car loan).
The bank also has a heavy hand in the subprime car loan business.
They were getting a car loan in Butte, Mont., chewing over the rate.
But General Motors Acceptance agreed to finance her 1995 car loan at 18.25 percent.
