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CALCULATOR
Auto Loan Affordability Calculator
How It Works
Time for a new vehicle? It’s wise to start with what you can afford and not just what you want to drive. This calculator will show you the sweet spot between what you want and what you can afford.
Enter a preferred monthly payment, your down payment (cash you have on hand or trade-in value), the loan term you want, and the interest rate you hope to get.
Why Should I Use a Car Payment Affordability Calculator?
Using a car payment affordability calculator can help you avoid overextending your budget when you buy a new car. It provides a clear picture of what you can comfortably afford based on your income and expenses. An auto loan affordability calculator takes into account factors like interest rates and loan terms, as well as insurance, which helps prepare you for the true cost of buying a new car.
I Make $100K a Year, What Kind of Car Can I Afford?
The answer depends on how much you are willing to pay. Just as an example of how this car payment calculator works, let’s assume you make $100K annually and want to adhere to the tried and true 50/30/20 rule for your budgeting. With that in mind, an affordable car payment would be somewhere between $583 to $874. As long as your car payment stays within that range, you’ll be following proper budgeting rules to answer the question: “I make $100K a year, what kind of car can I afford?”
What Car Can I Afford With a $40K Salary?
“What car can I afford with a $40K salary?” is a common question. As a general rule of thumb, your car payment should fall between $250 to $375 a month for that level of income.
To get that estimate, we used the 50/30/20 rule to break down the needs, wants, and savings/debt repayment portions of a $40K salary. Within the “needs” portion of the budget (which equates to ~$1,250 per month), we estimate using somewhere between 10% and 15% for a car payment.
How Much Should I Pay for a Second Hand Car?
How much should I pay for a second hand car? It depends on several factors, including the car’s age, mileage, condition, and market demand. Researching comparable models online can give you a baseline of what to pay, but it’s strongly recommended to have a mechanic check out the vehicle before you accidentally purchase a junker that looks fine from the outside.
Make sure to factor in other costs, like potential repairs, insurance, and maintenance, when coming to a fair price on a used car. Sites like Kelley Blue Book (KBB) and Edmunds can provide valuable pricing information.
What is the Car Payment Average Per Month in the United States?
The car payment average per month in the United States fluctuates, but generally the range is $500 to $700 for new cars and $350 to $500 for used cars. This average includes other necessary payments, like loan terms and interest rates. When considering your own auto affordability, use these averages to gauge a reasonable monthly car payment for a new car.
What’s Considered a Normal Monthly Car Payment?
A “normal monthly car payment” depends on individual circumstances, but there’s some general rules of thumb that can help define “normal” for you. Financial experts recommend keeping your total monthly car expenses, including insurance and maintenance, below 20% of your take-home pay.
When you use the auto loan affordability calculator above, make sure your “Preferred Monthly Payment” is below 20% of your take-home pay.
When Should I Refinance My Car?
The best time to refinance your car loan when interest rates drop, your credit score improves, or your financial situation changes. Refinancing can lower monthly payments or even shorten the life of your loan, which can help you pay less in interest overall. Be aware that you will probably need to wait at least six months post-loan before refinancing.
If you decide to refinance your car, our auto refinance calculator will certainly come in handy when calculating whether or not it’s worth it to refinance your car.
Disclaimer
While we hope you find this content useful, it is only intended to serve as a starting point. Your next step is to speak with a qualified, licensed professional who can provide advice tailored to your individual circumstances. Nothing in this article, nor in any associated resources, should be construed as financial or legal advice. Furthermore, while we have made good faith efforts to ensure that the information presented was correct as of the date the content was prepared, we are unable to guarantee that it remains accurate today.Neither Banzai nor its sponsoring partners make any warranties or representations as to the accuracy, applicability, completeness, or suitability for any particular purpose of the information contained herein. Banzai and its sponsoring partners expressly disclaim any liability arising from the use or misuse of these materials and, by visiting this site, you agree to release Banzai and its sponsoring partners from any such liability. Do not rely upon the information provided in this content when making decisions regarding financial or legal matters without first consulting with a qualified, licensed professional.
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Lost or Stolen Card?
We’re here to help. If your card has been misplaced or stolen, we’ll act quickly to protect your account. You can report a missing card in the following ways:
Online and Mobile Banking
Log in and follow these three easy steps:
- From the menu, select Tools
- Select Card Manager
- Report your card as Lost or Stolen*
By phone or at a Grow store
Call 800.839.6328 to speak to a team member or let us know in person at any Grow store.Notice: Taking these steps will immediately cancel your card to prevent unauthorized transactions. If you find your card later after reporting it lost or stolen, it cannot be reactivated.
*The selected card will be canceled and removed from Manage Cards when it is reported as lost. Once your new card has been issued, it will be available in Manage Cards. The replacement card will have a new card number. Your replacement card will be sent to the mailing address on your account, and you should receive it within 7 to 10 business days.
How to Find Your Routing & Account Numbers
When you make a payment online, by phone or on a mobile device, you may be asked for our routing number and your checking account number. Credit unions and banks use these numbers to identify accounts and make sure money gets where it’s supposed to be. You’ll also need to provide your routing and checking account numbers for:
- Direct deposits
- Electronic checks
- Military allotments
- Wire transfers
Where to Find Your Routing & Checking Account Numbers
Your personal checks include both our routing number and your account number, as shown on the Grow check example below.

Where to Find Your Checking Account Number in Grow Online and Mobile Banking
If you don’t have a physical check on hand, you can also locate your Checking Account Number for Electronic Transactions in Grow Online and Mobile Banking.*
Here’s how to find it:
- In the Grow Mobile Banking app, select your checking account, then tap Show Details in the top right corner.
- In Grow Online Banking, select your checking account, then click Account Details.
Don’t have a Grow check or Online Banking? No worries.
Visit any Grow store or call us and ask for a Direct Deposit Form. It lists both your routing number and checking account number.
Making a Loan Payment
When it comes to making payments, we try to make it as painless as possible to pay your loan every month. We have several different ways to pay, including convenient online options.
Pay Online
You have two ways to pay online by transferring funds from another bank or credit union.
- Grow Online Banking (Preferred payment method for any loan)
This is the simplest way to pay your loan. You can make one-time payments or set up automatic recurring payments in Grow Online Banking. Once you log in, select “Transfer/Payments” from the menu. If you’re not enrolled in Grow Online Banking yet, you can set up your account in just a few minutes.
Log In
- Debit Card or ACH (Available for auto, personal loans and HELOCs)
Note: ACH and debit card payments are not available for credit cards or most mortgages, except HELOCs.
We accept ACH payments with no additional fees, consumer Mastercard® and Visa® debit cards with a convenience fee of $4.95, or commercial Mastercard® and Visa® debit cards with a convenience fee of 2.95% of the payment amount. To get started with an online ACH or debit card payment, select Pay Now below.
Pay Now
Pay by Mail
You can also pay any Grow loan by check through the mail. Please remember to include your account number and Grow loan number on the check. (For credit card payments, please do not write your 16-digit credit card number on the check, which can cause a delay in processing the payment.)
Address for auto, credit card, personal loan and HELOC payments:
Grow Financial Federal Credit Union
P.O. Box 75466
Chicago, IL 60675-5466Address for personal first or second mortgages and home equity payments:
Grow Financial Federal Credit Union
P.O. Box 11733
Newark, NJ 07101-4733You Are About To Leave GrowFinancial.org
At certain places on this site, there are links to other websites. Grow Financial Federal Credit Union does not endorse, approve, represent, certify or control those external sites. The credit union does not guarantee the accuracy, completeness, efficacy, timeliness or accurate sequencing of the information contained on them. You will not be represented by Grow Financial Federal Credit Union if you enter into a transaction. Privacy and security policies may differ from those practiced by the credit union. Click CONTINUE if you wish to proceed.