Where to get the rate, and why they differ
The same buyer, the same car, the same week — and a spread that is worth real money.
It surprises people that the rate is negotiable at all. It is, and the spread between sources on an identical application is often larger than anything won on the price of the car.
Financing arranged at the dealership is convenient and sometimes genuinely the cheapest, particularly when a manufacturer is subsidising it. But the dealership is an intermediary: it submits your application to lenders, receives approvals, and presents you with a rate. The rate presented can be higher than the rate approved, and the difference is compensation for arranging the loan. That is legal and disclosed, and it is also negotiable.
Going direct to a bank or credit union removes that layer. You arrive with an approval, and the conversation at the dealership becomes about whether anyone can beat it.
What moves the rate, wherever it comes from: your credit profile, the term, the amount financed relative to the car's value, and the age of the vehicle. Longer terms usually carry higher rates and always carry more total interest.
Two habits. Do your rate shopping inside a short window so the credit enquiries are treated as one shopping event rather than several. And compare the total cost over the term, not the monthly figure — a lower payment on a longer term is not a better deal.