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Can A 17-Year-Old Really Get A Car Loan With A Co-Signer?

Last updated 09/07/25 by
The Credit People
Fact checked by
Ashleigh S.
Quick Answer

Trying to get a car loan at 17 and wondering if a co-signer can actually make it happen?
It could be legal only with a creditworthy adult co-signer (or emancipation), and a weak application or the wrong lender can saddle you and your co-signer with high interest, repossession risk, and long-term credit damage – this article gives clear, step-by-step guidance on who can co-sign, which lenders are most flexible, the exact documents and application steps, and safe exit strategies like co-signer release or refinancing.

For those who want a guaranteed, stress-free path, our experts with 20+ years' experience will analyze your credit report and co-signer profile and handle the entire process – call us for a clear assessment and next steps.

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Can you legally get a car loan at 17?

Yes, but rarely without an adult: minors generally cannot sign binding loan contracts, so a 17-year-old needs an adult co-signer or a court-recognized emancipation to get a car loan.

When a 17-year-old can/can't borrow:

  • Can: with an adult co-signer who is creditworthy and signs the loan.
  • Can: if the teen is legally emancipated and a lender accepts the emancipation order.
  • Can't: if state law or the lender bars minors from holding the loan alone.
  • Also: lenders require proof of steady income, valid driver's license or state ID, full auto insurance, and clear titling/registration plans.

Lenders add practical overlays: they will verify income, insist on primary insurance, and sometimes require the co-signer to appear on the title. State rules vary, including guardian consent or different emancipation standards, so check your state rules before applying. See a legal primer on contract limitations for minors, federal guidance at the Consumer Financial Protection Bureau's auto loan resources, and your local DMV with this state motor vehicle services directory. Review your credit report for errors before applying, it can prevent denials, and we can help analyze it.

Who can legally co-sign for your loan?

Yes - the co-signer must be an adult with qualifying identity, income, and credit, because they take the same legal liability as the borrower. Lenders will not accept a minor as a co-signer, since contracts with those under the age of majority are generally unenforceable. A co-signer is different from a co-borrower: a co-signer guarantees repayment but often has no ownership rights, while a co-borrower shares both payment responsibility and ownership.

Expect lender quirks, such as requiring the co-signer to live in the same state, show a Social Security number or ITIN, prove relationship to you, and carry or add required insurance. Your co-signer's credit score and income directly affect approval and your rate, and they remain fully responsible if you miss payments.

Eligibility checkpoints:

  • Age of majority (usually 18 or older).
  • Verifiable, steady income and employment.
  • Acceptable credit history and score.
  • Valid SSN or ITIN and lawful U.S. presence.
  • Often same-state residence per lender policy.
  • Willingness to accept full legal liability and insurance obligations.

Which lenders will approve you with a co-signer?

Most lenders will consider a teen loan with a qualified co-signer, but approval depends on the lender type and the co-signer's credit strength.

Local credit unions are often the most flexible for first-time borrowers, so start there for lower rates and member-focused underwriting; try the NCUA credit union locator to find nearby options. Captive finance arms at brand dealers will approve co-signed young-buyer loans, often with promotional offers tied to the make. Community banks can be competitive for relationship borrowers, especially when a strong co-signer pledges income. Reputable online lenders expand options and speed, but compare rates and terms carefully. Avoid buy-here-pay-here lots unless you accept high interest, steep fees, and vehicle trackers.

  • Pros: more approval chances, lower rates if co-signer has good credit, faster deals with prequalification.
  • Cons: co-signer liability, higher total cost at subprime dealers, repossession risk if payments lapse.

Before applying, get soft-pull prequalification to compare offers without hurting credit, and ask lenders explicitly how they use joint credit scores. See the CFPB prequalification guidance for what to expect. When you talk to lenders, ask these quick questions.

  • Will this be a soft or hard credit pull for both of us?
  • How does my co-signer's score affect my rate?
  • Are there co-signer release options later?
  • What fees or trackers are attached to the loan?

7 steps to apply for a car loan with a co-signer

Yes - you can apply with a co-signer; follow these steps to maximize approval odds and protect both of you.

  1. Check credit first: pull your three credit reports at pull your three credit reports and fix errors, note derogatory items, and estimate scores.
    Pro tip: dispute any simple errors before lenders see them.
  2. Set affordability: calculate a monthly payment that keeps payments under 15% of take-home pay or 36% debt-to-income for the household.
    Pro tip: build a 3–6 month emergency buffer to avoid late payments.
  3. Confirm co-signer readiness: get explicit consent, share expected payment, term, and liability.
    Pro tip: ask if they will use their lower or higher FICO for pricing.
  4. Prequalify softly: do soft-pull prequals with 2–3 banks or credit unions to compare rates without hard inquiries.
    Pro tip: use local credit unions, they often give better deals.
  5. Gather documents: IDs, proof of income, address, tax returns, and co-signer's credit info.
    Pro tip: bring digital copies to speed approval.
  6. Choose the car: pick a vehicle that keeps loan-to-value reasonable, avoid high-mileage or steep depreciation.
    Pro tip: target cars with strong resale and low insurance costs.
  7. Finalize and insure: accept the best offer, sign with co-signer present if required, and bind insurance the same day.
    Pro tip: confirm the lender's payoff and automatic payment setup to avoid missed payments.

A quick report review often catches score-dragging errors before you apply.

Documents you and your co-signer must bring

Yes - bring everything a dealer and lender expect so processing isn't delayed. Bring clear, current documents that prove identity, income, residency, insurance, and the down payment. If anything is expired or addresses don't match, expect holds or extra verification.

You need:

Your co-signer needs:

  • Government photo ID and SSN/ITIN.
  • Two recent pay stubs and latest W-2 or 1099.
  • Proof of address matching credit file.
  • Recent bank statement for reserves.
  • Photo of valid insurance if they will be listed.
  • Contact info for quick verification; mismatches slow approval.

How your co-signer's credit affects your interest rate

Your co-signer's credit directly shapes the interest rate you receive because lenders price the loan based on the pair's combined credit risk. Lenders weigh credit scores, debt-to-income (DTI), loan-to-value (LTV), loan term, and vehicle age, and then apply their policy: some use the lower score, some use the primary applicant's score, and some require both to clear tier cutoffs in a pricing matrix. A higher-quality co-signer can move the file into a better APR tier, reducing your monthly payment and total interest.

Both names get hard inquiries, and both are fully liable for missed payments, so on-time payments will build credit for you and the co-signer while delinquencies damage both files. Lenders also consider account history, so a co-signer with long, clean credit and low DTI offers the biggest rate benefit. For plain-language legal and practical implications of co-signing, see CFPB on co-signing implications.

Pro Tip

⚡ You can likely get a car loan at 17 if you bring a creditworthy adult co-signer - before you apply, ask lenders for a soft prequalification, confirm they report to all three bureaus and allow co‑signer release, have both of you bring photo ID, SSN/ITIN, proof of steady income, proof of residency, insurance binder and any down payment, target a monthly payment under about 15% of your take‑home pay, and check your state's title/registration rules so you know who can appear on the title.

What financial risks your co-signer faces

Co-signing makes the co-signer legally responsible for every dollar of the loan, even if you are the one driving the car. A co-signer's credit score falls if payments are late or missed, because the lender reports the loan on their credit report. They also face collection calls, wage garnishment, and lawsuits if the borrower defaults.

Repossession does not end their liability, repossessed sale proceeds can leave a deficiency balance the co-signer must pay. The added loan increases their debt-to-income ratio, which can block mortgages, new credit, or lower the co-signer's borrowing power. The fundamental paradox is they have no control over the borrower's daily choices, yet carry full legal and financial responsibility. Written ground rules protect both of you. Agree who pays, set up autopay, decide what happens after missed payments, and document those rules in writing. For clear consumer information on co-signing risks and your legal rights, see the official FTC guidance.

Top 5 risks to your co-signer:

  • Credit score damage from late or missed payments.
  • Collection actions, including calls and lawsuits.
  • Responsibility for any deficiency after repossession.
  • Higher debt-to-income ratio, harming future loans.
  • No direct control over your repayment behavior.

How a co-signed loan builds your credit history

A co-signed car loan creates a tradeline in your name that can build credit when payments are made on time.

Reporting varies by lender, so confirm whether the lender will report to all three bureaus before you sign. On-time installments establish payment history and add an installment account to your file, which improves score drivers over time. Opening a new loan usually lowers your average account age at first, then helps as the account ages. Missed payments hurt fast; a single 30-day late can wipe out progress.

Protect your gains by enabling autopay and calendar reminders, and ask the lender which bureaus they report to and whether both names will appear. Remember installment balances are treated differently than credit card utilization, so scoring focuses on payment history and loan age. For basic reporting and credit building info see the CFPB guide on how credit reports influence credit scores.

How you can remove or release a co-signer later

Yes - you can often remove a co-signer later, but how depends on the lender and your credit progress. Ask about a formal co-signer release when you sign, because many lenders never offer one. If a release exists, it usually requires a set number of consecutive on-time payments and a credit check for you alone, so get the exact criteria in writing.

Common off-ramps you can pursue now:

  • Request a lender's co-signer release after the required on-time payments, meet their credit/income checks, and obtain written approval.
  • Refinance the loan into your name once your score and income qualify, following the CFPB guide to refinancing auto loans for steps and protections.
  • Pay off the loan or trade the car in, secure a clean payoff letter from the lender, and remove the co-signer from the title or loan.

Always document everything, ask questions up front, and prepare proof of income and strong credit before you apply to remove the co-signer.

Red Flags to Watch For

🚩 You could be held legally responsible for a car you can't legally own or register in your name yet, depending on your state's laws. Check your state's title rules before signing anything.
🚩 Some lenders may permanently tie your co-signer to the loan with no option to remove them later, even if you make every payment on time. Get the release terms in writing before applying.
🚩 If your lender uses the lower of your two credit scores, your co-signer's good credit might not help you at all - and you could still get stuck with a high interest rate. Ask how they calculate the loan terms based on both scores.
🚩 A co-signer's address and residency may impact approval, meaning even a willing adult could be rejected if they don't live in your state or meet narrow proof-of-relationship rules. Double-check all location-based and relationship requirements early on.
🚩 Lenders may quietly require the co-signer to also be listed on the car's title, which gives them legal stakes in the car - even if they didn't intend to have any ownership. Ask directly who will be on the title and what that means.

Alternatives if you can't find a co-signer

Yes - you have practical options if nobody will co-sign for your car loan, and several keep risk and cost low.

  • Larger down payment, pro: lowers loan size and interest; con: requires savings.
  • Buy an older, reliable car, pro: cheaper and easier to finance; con: higher maintenance risk.
  • Join a credit union, pro: friendlier underwriting and lower rates; con: may need membership.
  • First-time buyer or dealer programs, pro: designed for young buyers; con: limited availability or stricter terms.
  • Save and delay purchase, pro: better credit and income mean cheaper loans; con: wait time.

Watch out for predatory deals. Avoid very long terms, excessive add-ons, spot delivery schemes, or loans with balloon payments. These reduce monthly pain but cost you more overall.

If you want to build eligibility quickly, get a secured card, become an authorized user on a family card, or use a small credit-builder loan for positive history. For details on how credit-builder loans help establish credit, see the Consumer Financial Protection Bureau.

Take one practical step this week, even small savings or a secured card application, and your financing options will widen fast.

17-Year-Old Car Loan FAQs

Yes - with a qualified adult co-signer you can often get financed at 17, though legal and practical limits vary by state and lender.

Can I title/register a car at 17?

Rules vary by state, some allow a minor to hold title if a parent or guardian consents. Start with your state DMV, for example check federal motor vehicle resources for DMV access to find your local requirements.

Will my insurance be higher as a 17-year-old?

Expect higher premiums because insurers view teen drivers as higher risk. Adding you to a parent's policy or seeking discounts for good grades and driver training usually lowers costs.

What changes when I turn 18?

At 18 you can sign loan contracts yourself, making the note enforceable in your name. You can also refinance later into your own credit profile if your income and credit support better terms.

Does being an authorized user help approval?

Being an authorized user can improve your credit history if the primary account is well-managed. Lenders still require proof of income and acceptable debt-to-income ratio, so it does not replace a co-signer.

Is leasing easier than buying?

Leases still require adult approval because of contract age limits, and they often demand higher insurance and strict mileage rules. Buying with a co-signer is usually simpler and builds credit faster through loan payments.

Key Takeaways

🗝️ You can get a car loan at 17, but only with a qualified adult co-signer or legal emancipation and lender approval.
🗝️ The co-signer must have good credit, steady income, and be legally responsible for loan payments if you can't pay.
🗝️ Lenders may also require documents like proof of income, full insurance, and a government-issued ID from both you and your co-signer.
🗝️ Start by checking your credit, setting a payment budget, and prequalifying with lenders who accept teen borrowers and co-signers.
🗝️ If you're unsure where to begin, give us a call at The Credit People - we can help review your credit report, explain your options, and guide you step-by-step.

You Might Qualify for a Car Loan With Credit Help

If you're 17 and need a co-signer, your credit still plays a role. Call us for a free credit review—we’ll pull your report, evaluate your score and negatives, and identify ways to clean it up so you improve your odds of getting approved.

Call 866-382-3410

 9 Experts Available Right Now

54 agents currently helping others with their credit