---
id: faq-0020
title: "What factors affect my interest rate?"
category: faq
subtopic: financing
page_type: faq
source_url: "https://www.castlechevycars.com"
tags: ["financing", "interest-rate", "APR"]
questions:
  - "How is my interest rate decided?"
  - "What makes my APR higher or lower?"
  - "Does my credit score affect my rate?"
related: [credit-score-financing, financing-options, loan-terms]
dealer: Castle Chevrolet of Villa Park
---

Your interest rate (APR) is shaped by several factors: credit score, credit history, loan term, down payment, vehicle age and value, and current market rates. Lenders reward lower-risk borrowers with better rates, so a strong credit score, larger down payment, and shorter loan term typically secure lower APR.

Even if your credit isn't perfect, a co-signer, substantial down payment, or trade-in equity can help. Vehicle choice matters too-new Chevrolets and newer used cars often qualify for promotional rates.

Our Finance team works with multiple lenders to find your best rate. For a personalized estimate based on your details, **call (630) 279-5200**. They'll show you real APR numbers once you've shared your situation.