When you’re in the market for a car, the process is more than picking a vehicle, signing some paperwork and walking out with the keys.

It’s a significant investment, and it takes time and research to find the right deal. Part of that process is choosing the best auto loan — and financing company — that can meet your financial needs without blowing your budget or charging you an exorbitant interest rate.

We had trouble getting definitive answers from CarMax Auto Finance to properly break down its financing, but we’ll share what we learned over atLendingTree.com.