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How Credit Affects Loans

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Your credit plays a pivotal role in determining your ability to secure loans, the terms you’re offered, and the overall cost of borrowing. Whether you’re applying for a mortgage, auto loan, personal loan, or student loan, lenders rely on your credit profile to assess risk. This article explores how credit influences loans, including approval chances, interest rates, loan terms, and strategies to improve your credit for better loan outcomes.

Dominic Abate

Dominic Abate

06 May 2025

Understanding Credit and Its Components

Credit refers to your financial trustworthiness, primarily reflected in your credit score—a number between 300 and 850 calculated by models like FICO or VantageScore. The score is based on five key factors:

  • Payment History (35%): Whether you pay bills and debts on time.

  • Credit Utilization (30%): The percentage of available credit you’re using.

  • Length of Credit History (15%): The age of your credit accounts.

  • Types of Credit (10%): The mix of credit accounts (e.g., credit cards, mortgages).

  • New Credit Inquiries (10%): Recent applications for credit.

Lenders also review your credit report, a detailed record of your credit activity maintained by the three major bureaus—Equifax, Experian, and TransUnion. The report includes payment history, account balances, and negative marks like late payments or bankruptcies.

How Credit Impacts Loans

Your credit score and report directly affect several aspects of the loan process.

1. Loan Approval

Lenders use credit scores to gauge the likelihood you’ll repay the loan. Higher scores signal lower risk, increasing approval odds.

  • Excellent Credit (720-850): Nearly guaranteed approval for most loans, assuming sufficient income.

  • Good Credit (690-719): Strong approval chances, though terms may vary.

  • Fair Credit (630-689): Approval is possible, but options may be limited to subprime lenders or secured loans.

  • Poor Credit (Below 630): Approval is challenging; you may need a co-signer, secured loan, or alternative lenders with stricter terms.

Example: For a mortgage, many lenders require a minimum score of 620 for conventional loans, while FHA loans may accept scores as low as 580 with a higher down payment.

2. Interest Rates

Credit scores heavily influence the interest rate you’re offered. Higher scores qualify for lower rates, reducing the total cost of borrowing.

  • Example Scenario (30-Year Fixed Mortgage, $200,000 Loan):

    • Excellent Credit (760+): 6.0% APR, monthly payment ~$1,199, total interest ~$231,640.

    • Fair Credit (640-679): 7.5% APR, monthly payment ~$1,398, total interest ~$303,280.

    • Difference: ~$71,640 more in interest with fair credit.

Lower rates also apply to auto loans, personal loans, and other credit products, saving thousands over the loan’s life.

3. Loan Terms

Credit affects loan terms, including repayment periods, down payment requirements, and fees.

  • Repayment Period: Borrowers with poor credit may face shorter repayment terms, increasing monthly payments.

  • Down Payments: Lower scores often require larger down payments to offset lender risk (e.g., 10-20% for mortgages vs. 3.5% with FHA loans for better credit).

  • Fees: Subprime borrowers may encounter higher origination fees or prepayment penalties.

Example: For an auto loan, a buyer with poor credit might need a 20% down payment and face a 15% APR, while someone with excellent credit could secure 0% down and a 3% APR.

4. Loan Types and Availability

Your credit determines which loan products you qualify for:

  • Conventional Loans: Require higher scores (e.g., 620+ for mortgages) and offer competitive rates.

  • FHA/VA/USDA Loans: Government-backed loans accept lower scores (e.g., 580 for FHA) but may have additional costs like mortgage insurance.

  • Subprime Loans: Target borrowers with bad credit but come with high rates and fees.

  • Secured Loans: Require collateral (e.g., a car or savings), making approval easier for low-credit borrowers.

Poor credit may exclude you from premium loan programs, limiting you to costlier options.

5. Loan Amounts

Lenders may cap loan amounts for borrowers with lower scores to minimize risk. For example, a personal loan provider might offer $50,000 to someone with excellent credit but only $10,000 to someone with fair credit, even with similar income.

Beyond your score, lenders evaluate:

  • Debt-to-Income Ratio (DTI): Your monthly debt payments relative to income. A DTI below 43% is preferred.

  • Credit Report Details: Negative marks like bankruptcies (lasting 7-10 years) or recent collections can lead to den RapidAPIals or worse terms.

  • Employment and Income: Stable income supports approval, but poor credit can still result in higher rates.

Strategies to Improve Credit for Better Loan Terms

Improving your credit before applying for a loan can unlock better rates and options. Here’s how:

1. Pay Bills on Time

Consistent, on-time payments boost your payment history, the largest factor in your score. Set up autopay or reminders to avoid late payments.

2. Lower Credit Utilization

Pay down credit card balances to keep utilization below 30%. For example, reduce a $900 balance on a $1,000 limit to $300 or less.

  • Tip: Request a credit limit increase to lower utilization, but don’t use the extra credit.

3. Dispute Credit Report Errors

Obtain free credit reports from AnnualCreditReport.com and dispute inaccuracies (e.g., incorrect late payments) with the bureaus. Corrections can raise your score quickly.

4. Address Negative Marks

  • Collections: Negotiate to settle or pay off collections, ideally with a pay-for-delete agreement.

  • Delinquencies: Bring past-due accounts current to stop further damage.

Note: Paid medical collections under $500 may not appear on reports (as of recent changes).

5. Use Credit-Building Tools

  • Secured Credit Cards: Require a deposit and report positive activity to bureaus (e.g., Capital One Platinum Secured Card).

  • Credit Builder Loans: Build credit through small, reported payments.

  • Authorized User Status: Benefit from someone else’s good credit if added to their card.

6. Limit Hard Inquiries

Avoid applying for multiple loans or cards in a short period, as each hard inquiry can lower your score by 5-10 points.

7. Build Credit Over Time

Credit improvement takes months, but small actions—like paying down debt—can show results in 30-60 days. Aim for a score increase before applying for major loans like mortgages.

Common Mistakes to Avoid

  • Applying with Bad Credit: Delaying a loan application to improve your score can save thousands in interest.

  • Ignoring DTI: High debt relative to income can lead to denials, even with a decent score.

  • Falling for Predatory Lenders: Subprime lenders may exploit low-credit borrowers with exorbitant rates. Compare terms carefully.

  • Closing Old Accounts: This can shorten your credit history and raise utilization, lowering your score.

Conclusion

Your credit profoundly impacts loans, influencing approval, interest rates, terms, and available options. A higher credit score opens doors to better rates and larger loans, while poor credit limits choices and increases costs. By paying bills on time, reducing debt, correcting report errors, and using credit-building tools, you can improve your credit and secure more favorable loan terms. Start early, monitor your progress, and approach borrowing strategically to maximize financial benefits.

About the authors

Dominic Abate
Dominic Abate

Dominic has worked in financial planning, banking and auto finance, and writes about all aspects of money. His work has appeared in Time, Success, USA Today, Credit Karma, NerdWallet, Wirecutter and more.

Read more about Dominic Abate
Dominic Abate
Dominic Abate

Dominic has worked in financial planning, banking and auto finance, and writes about all aspects of money. His work has appeared in Time, Success, USA Today, Credit Karma, NerdWallet, Wirecutter and more.

Read more about Dominic Abate
View legal footnotes

1 Earna Credit Cards does not have annual fees paid upfront, instead, to help you manage your finances, you will only need to pay monthly fees included on your monthly statement.

2 Individual cases may vary. Please contact our Support Team if you experience difficulties.

3 Earna reports your payment activity to one or more credit bureaus to help establish your credit history. Credit scores are calculated using complex models that consider multiple factors. Making on-time payments regularly can help improve credit scores, while missed or late payments can lower them. Individual results may vary.

4 Approval is not guaranteed and terms and conditions apply.

5 Refer to Earna Rewards Policy for details on earning cashback. Other terms and conditions may apply, find the complete policy here.

6 Credit limit increases are subject to eligibility and require the account holder’s express consent. Terms and conditions apply.

7 Eligible interest rates may decrease by up to 1% annually for accounts in good standing, subject to a set minimum and other eligibility criteria. Not all rates are eligible. Terms and conditions apply.