What the Fed will cost you

Car loans

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Car loans are fixed-rate products. So if you already have one, don't worry about what the Fed does.

But if you need a car loan, you'll pay a bit more today than you did in the spring, although since July the national bank averages for car loans has held fairly steady.

Autos

36 month new	5.91%
48 month new	5.98%
60 month new	6.03%
72 month new	3.78%
36 month used	6.31%

Car-financing rates are not tied to the Fed funds rate. Rather, movement in the yields on the 2-year Treasury is a benchmark, said Brian Reed, a vice president at Capital One Auto Finance.

Traders have begun to price in some Fed rate hikes this year and the yield on the 2-year Treasury has risen considerably since late March.

But since the 2-year Treasury yield can be volatile, auto-financing rates don't change in lock-step with it. Nevertheless, the trend on both has been up.

Say you got a $25,000, 60-month loan at 3.85 percent in March from Capital One. That would have cost you $458.72 a month. The rate on the same loan today would have risen to 4.39 percent for a monthly payment of $464.83, a difference of $6.11.