Idaho Best Auto Loan Rates - September 2026
Brian McKay
Brian McKay
Founder & Data Architect- Automated Online Rate Data Aggregation
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Current auto loan rates in Idaho include Responders Emergency Services Credit UnionResponders Emergency Services Credit Union3640 E Seltice Way, Post Falls, ID, 83854A+5.0 ★Texas Ratio: 0.00% offering New & Used Automobiles and Street Motorcycles at 3.79%, Pioneer Federal Credit UnionPioneer Federal Credit Union250 W 3rd S, Mountain Home, ID, 83647A5.0 ★Texas Ratio: 6.28% offering New and Used Vehicles Loan at 4.24%, Lewis Clark Credit UnionLewis Clark Credit Union1626 17th St, Lewiston, ID, 83501A+5.0 ★Texas Ratio: 3.41% offering Autos at 4.25%, Rails West Federal Credit UnionRails West Federal Credit Union4708 Yellowstone Ave, Chubbuck, ID, 83202 2336A+5.0 ★Texas Ratio: 3.29% offering Auto Loan at 4.34%, Rogue Credit UnionRogue Credit Union216 N Plymouth Ave, New Plymouth, ID, 83655A+5.0 ★Texas Ratio: 4.01% offering Newer (2023 and Newer) Auto Loans at 4.49%. Auto loan rates as of September 21, 2026 according to verified data from MonitorBankRates.
Use the tabs below to compare auto loan rates across Idaho side-by-side. Idaho auto loan rates currently start as low as 3.79% APR from Responders Emergency Services Credit Union at 3640 E Seltice Way, Post Falls, ID, 83854. Rates are continually updated, so we recommend checking back frequently.
Auto loan rates reflect recent market quotes and representative offers available to borrowers in Idaho. Auto Loan Rates Last Updated and Verified: September 21, 2026
Compare Auto Loan Rates Today in Idaho
Idaho Auto Loan Rates
As Low As; depending on loan amount
As Low As; SPECIALS!
As Low As; Rate: 4.24%
As low as
As Low As; 90% financing
As Low As; 100% financing
As Low As; Rate: 4.44%
As Low As; For new and used vehicles. Some Promotional Rates May Require Payroll Direct Deposit and Automatic Transfer from RESCU Checking Account
As Low As;*
As Low As;*
As Low As;*
As Low As; 90% financing
As Low As; For new and used vehicles. Some Promotional Rates May Require Payroll Direct Deposit and Automatic Transfer from RESCU Checking Account
As Low As; 100% financing
As Low As
As Low As
As Low As; OAC
As low as
As low as
As Low As
As Low As; 90% financing
As Low As; 90% financing
As Low As;*
As Low As
As Low As; OAC
As Low As; OAC
700+ score
as low as
As Low As; Fixed
As Low As; New Car (80%-125% MSRP Financing)
As Low As; New Car (80%-125% MSRP Financing)
As Low As; New Car (80%-125% MSRP Financing)
As Low As; Used Car (80%-110% Kelly Blue Book Value)
As Low As; Used Car (80%-110% Kelly Blue Book Value)
As Low As; Used Car (80%-110% Kelly Blue Book Value)
As Low As; 100% financing
As Low As; 100% financing
As Low As
2022 and Newer
As Low As
as low as
As Low As; Fixed
As Low As; New Car (80%-125% MSRP Financing)
As Low As; Used Car (80%-110% Kelly Blue Book Value)
As Low As; OAC
As Low As; 90% financing
As Low As; New Car (80%-125% MSRP Financing)
As Low As; Used Car (80%-110% Kelly Blue Book Value)
As low as; Rates displayed do not include the additional BofA RewardsTM interest rate discount up to 0.50%.
As Low As; 100% financing
2022 and Newer; *over $10,000
Term: 2017 - 2026 / with less than 150,000 miles; As Low As
As Low As;*
As Low As; OAC
As Low As; Rates updated daily.
As low as; Rates displayed do not include the additional BofA RewardsTM interest rate discount up to 0.50%.
As Low As; Rate: 5.64%
Vehicle Age: 2020+; Loan Amount: No Minimum
Vehicle Age: 2020+; Loan Amount: No Minimum
Vehicle Age: 2020+; Loan Amount: No Minimum
Vehicle Age: 2020+; Loan Amount: No Minimum
As Low As
As Low As; New Car (80%-125% MSRP Financing)
As low as
As Low As; Rates updated daily.
As Low As; Rate: 5.84%
2018-2021
Vehicle Age: 2020+; Loan Amount: $15,000+
Vehicle Age: 2015 - 2019
Vehicle Age: 2015 - 2019
Vehicle Age: 2015 - 2019
Vehicle Age: 2015 - 2019
As Low As;*
As Low As; OAC
As Low As; OAC
As Low As; OAC
As Low As; Fixed
APR based on 60 months and $45,000 financing. For customers with excellent credit who apply online. Your rate may vary based on credit history, vehicle, financing amount and term.
As Low As; Rate: 6.04%
As Low As; Rates updated daily.
APR based on 60 months and $30,000 financing. For customers with excellent credit who apply online. Your rate may vary based on credit history, vehicle, financing amount and term.
2018-2021; *over $10,000
2022 and Newer; *over $20,000
Vehicle Age: 2015 - 2019
As Low As; OAC
700+ score
700+ score
Annual Percentage Rate (APR). .25% discount for top tier credit scores. Certain restrictions apply and rates may change. The "as low as" APR includes the 0.25% discount for those members that meet the Rewards Checking monthly qualification cycle parameters and have auto-pay set up from their Rewards Checking account. Members must keep the automatic payment active and have a qualifying Rewards Plus Checking to keep the discount. If the automatic payment is discontinued, or if the Rewards Plus Checking is considered "non-qualifying" for more than 60 days, the loan discount will be removed, and the payment may increase to reflect the change in interest rate. Lookout Credit Union attempts to update rates immediately whenever a change occurs; however, the listed rates are not guaranteed accurate. For more information on Vehicle Loans please call (208) 235-7100. Rates quoted are for top tier FICO scores.
2018-2021; *over $20,000
As Low As; OAC
Annual Percentage Rate (APR). .25% discount for top tier credit scores. Certain restrictions apply and rates may change. The "as low as" APR includes the 0.25% discount for those members that meet the Rewards Checking monthly qualification cycle parameters and have auto-pay set up from their Rewards Checking account. Members must keep the automatic payment active and have a qualifying Rewards Plus Checking to keep the discount. If the automatic payment is discontinued, or if the Rewards Plus Checking is considered "non-qualifying" for more than 60 days, the loan discount will be removed, and the payment may increase to reflect the change in interest rate. Lookout Credit Union attempts to update rates immediately whenever a change occurs; however, the listed rates are not guaranteed accurate. For more information on Vehicle Loans please call (208) 235-7100. Rates quoted are for top tier FICO scores.
2011-2017
Vehicle Age: 2014 & Older
Term: 2016 and older OR over 150,000 miles; As Low As
2011-2017; *over $10,000
Annual Percentage Rate (APR). .25% discount for top tier credit scores. Certain restrictions apply and rates may change. The "as low as" APR includes the 0.25% discount for those members that meet the Rewards Checking monthly qualification cycle parameters and have auto-pay set up from their Rewards Checking account. Members must keep the automatic payment active and have a qualifying Rewards Plus Checking to keep the discount. If the automatic payment is discontinued, or if the Rewards Plus Checking is considered "non-qualifying" for more than 60 days, the loan discount will be removed, and the payment may increase to reflect the change in interest rate. Lookout Credit Union attempts to update rates immediately whenever a change occurs; however, the listed rates are not guaranteed accurate. For more information on Vehicle Loans please call (208) 235-7100. Rates quoted are for top tier FICO scores.
$30,000; As Low As; Fixed
2011-2017; *over $20,000
2007-2010; 2006 and older add 2% - up to 60 months
2007-2010; *over $10,000
Idaho New Auto Auto Loan Rates
As Low As; depending on loan amount
As Low As; SPECIALS!
As Low As; Rate: 4.24%
As Low As; Rate: 4.44%
As Low As; For new and used vehicles. Some Promotional Rates May Require Payroll Direct Deposit and Automatic Transfer from RESCU Checking Account
As Low As;*
As Low As;*
As Low As;*
As Low As; For new and used vehicles. Some Promotional Rates May Require Payroll Direct Deposit and Automatic Transfer from RESCU Checking Account
As Low As; OAC
As low as
As Low As;*
As Low As; OAC
700+ score
as low as
As Low As; New Car (80%-125% MSRP Financing)
As Low As; New Car (80%-125% MSRP Financing)
As Low As; New Car (80%-125% MSRP Financing)
2022 and Newer
as low as
As Low As; New Car (80%-125% MSRP Financing)
As Low As; New Car (80%-125% MSRP Financing)
As low as; Rates displayed do not include the additional BofA RewardsTM interest rate discount up to 0.50%.
2022 and Newer; *over $10,000
As Low As;*
As Low As; OAC
As Low As; Rate: 5.64%
Vehicle Age: 2020+; Loan Amount: No Minimum
Vehicle Age: 2020+; Loan Amount: No Minimum
Vehicle Age: 2020+; Loan Amount: No Minimum
Vehicle Age: 2020+; Loan Amount: No Minimum
As Low As; New Car (80%-125% MSRP Financing)
As Low As; Rate: 5.84%
Vehicle Age: 2020+; Loan Amount: $15,000+
As Low As;*
As Low As; OAC
APR based on 60 months and $45,000 financing. For customers with excellent credit who apply online. Your rate may vary based on credit history, vehicle, financing amount and term.
As Low As; Rate: 6.04%
2022 and Newer; *over $20,000
Idaho Used Auto Auto Loan Rates
As Low As; depending on loan amount
As Low As; SPECIALS!
As Low As; Rate: 4.24%
As Low As; Rate: 4.44%
As Low As; For new and used vehicles. Some Promotional Rates May Require Payroll Direct Deposit and Automatic Transfer from RESCU Checking Account
As Low As; For new and used vehicles. Some Promotional Rates May Require Payroll Direct Deposit and Automatic Transfer from RESCU Checking Account
As low as
As Low As; OAC
as low as
As Low As; Used Car (80%-110% Kelly Blue Book Value)
As Low As; Used Car (80%-110% Kelly Blue Book Value)
As Low As; Used Car (80%-110% Kelly Blue Book Value)
As Low As; Used Car (80%-110% Kelly Blue Book Value)
As Low As; OAC
As Low As; Used Car (80%-110% Kelly Blue Book Value)
As low as; Rates displayed do not include the additional BofA RewardsTM interest rate discount up to 0.50%.
As Low As; Rate: 5.64%
As low as
As Low As; Rate: 5.84%
Vehicle Age: 2015 - 2019
Vehicle Age: 2015 - 2019
Vehicle Age: 2015 - 2019
Vehicle Age: 2015 - 2019
As Low As; OAC
As Low As; OAC
As Low As; Rate: 6.04%
APR based on 60 months and $30,000 financing. For customers with excellent credit who apply online. Your rate may vary based on credit history, vehicle, financing amount and term.
Vehicle Age: 2015 - 2019
As Low As; OAC
700+ score
700+ score
As Low As; OAC
Vehicle Age: 2014 & Older
Idaho Auto Loan Rate Trends
Compare local Idaho auto loan rates against the statewide average
Daily auto loan rate averages tracked across our database of 8,500+ banks and credit unions, updated every evening.
Idaho new auto rates fell 0.119 points over the past 7 days to 5.698% APR.
Idaho used auto rates rose 0.017 points over the past 7 days to 6.134% APR.
Idaho Auto Loan Rate Forecast, Next 12 Months
Auto loan APRs track lender funding costs, which follow Federal Reserve policy. Our model projects the likely path of new and used auto averages from the current Idaho figures.
Forecast Methodology & Assumptions
Key assumptions: the Federal Reserve holds the federal funds rate at its current level over the next 12 months, with the possibility of one 25 basis point increase; auto lenders reprice within one to two policy cycles as funding costs move, and credit union pricing tends to lag banks slightly.
Important notice: this forecast is for informational purposes only and should not be used as the sole basis for financial decisions. Rate forecasts carry significant uncertainty. The actual trajectory will depend on Federal Reserve decisions, economic conditions, and competitive dynamics among financial institutions.
What Would Your Monthly Car Payment Be?
Estimated monthly payments on a standard 60-month auto loan at today’s average Idaho APRs. Even a small APR difference adds up over the life of a car loan. Use the calculator below to model your exact loan.
| Loan Amount | New Auto @ 5.70% APR ID average | Used Auto @ 6.13% APR ID average | Monthly Difference |
|---|---|---|---|
| $15,000 | $287.89/mo | $290.93/mo | $3.04/mo |
| $25,000 | $479.82/mo | $484.88/mo | $5.06/mo |
| $35,000 | $671.75/mo | $678.84/mo | $7.09/mo |
| $45,000 | $863.68/mo | $872.79/mo | $9.11/mo |
Principal and interest only, 60-month term, calculated from current average APRs. Taxes, title, registration, and optional add-ons are not included. Your APR depends on credit score, loan term, vehicle age, and lender underwriting.
How to Get the Best Auto Loan Rate in Idaho
Get Preapproved Before You Shop
A preapproval from a bank or credit union serving Idaho locks in a real rate before you set foot on a dealer lot. It turns you into a cash buyer, gives you a benchmark to beat, and protects you from dealer financing markups. Dealers can legally add points to the rate a lender actually approved you for.
Check Credit Unions First
Credit unions consistently offer some of the lowest auto loan APRs in Idaho. Membership is usually easier to get than people expect. Many local credit unions accept anyone who lives, works, or worships in the area, and some let you join with a small donation to a partner charity.
Choose the Shortest Term You Can Afford
Shorter terms almost always carry lower APRs, and you pay interest for fewer months. A 72- or 84-month loan lowers the monthly payment but dramatically raises total interest cost and increases the time you spend “underwater”, owing more than the car is worth. Aim for 60 months or less if the payment fits your budget.
Mind the New vs. Used Rate Spread
Used car loans typically run 0.5 to 1.5 percentage points above new car rates. If you’re shopping late-model used vehicles, ask about certified pre-owned programs. CPO vehicles sometimes qualify for new-car financing rates, which can offset part of the price difference between the two.
- Saving up for a bigger down payment: park it in a Idaho high-yield savings account so it earns while you shop
- Buying from a private seller where auto financing is harder to arrange: compare personal loan rates
- Car fund you won’t need for a set period: Idaho CD rates lock in a guaranteed return until you’re ready to buy
Idaho Financial Snapshot
Local demographics and economic context for car buyers. Source: U.S. Census Bureau
A $576 monthly car payment works out to roughly 17.2% of the median individual income in Idaho. Most budgeting guidelines suggest keeping total vehicle costs (payment, insurance, fuel, and maintenance) under 15–20% of take-home pay.
Auto Financing Options Compared
An auto loan isn’t the only way to finance a vehicle in Idaho, but for most borrowers it’s the cheapest. Here’s how the main options stack up.
| Feature | Credit Union Auto Loan | Bank Auto Loan | Dealer Financing | Personal Loan |
|---|---|---|---|---|
| Typical APR Level | ✓ Often lowest | ✓ Competitive | ● Varies, can be marked up | ✗ Highest (unsecured) |
| Rate Locked Before You Shop | ✓ Yes, via preapproval | ✓ Yes, via preapproval | ✗ Arranged at the dealership | ✓ Yes |
| Membership / Relationship Required | ● Membership (usually easy) | ✗ No | ✗ No | ✗ No |
| Works for Private-Party Sales | ✓ Usually | ● Sometimes | ✗ No | ✓ Yes |
| Convenience at Purchase | ● Preapproval step first | ● Preapproval step first | ✓ One-stop at the dealer | ● Funds in 1–3 days |
| Best For | Lowest total cost of borrowing | Existing bank customers & rate discounts | Manufacturer 0% promos on new cars | Older vehicles lenders won’t finance |
General comparison for educational purposes. Manufacturer promotional financing (0–2.9% APR offers) through dealers can beat any bank or credit union rate when you qualify. Always compare the promo against a cash rebate plus outside financing.
Auto Loan Payment Calculator
Estimate your monthly payment on a new or used vehicle in Idaho. We’ve prefilled the APR with today’s ID new-auto average, or click any current rate on the right to apply it instantly.
Estimates include principal and interest only. Sales tax, title, registration, documentation fees, and optional products (GAP, warranties) are not included and are often financed into the loan. Advertised APRs typically require excellent credit; your rate may differ.
Methodology & Data Sources
Independent, Free, and Unbiased Rate Comparisons: MonitorBankRates.com is an independent rate comparison service. Our Idaho auto loan rate tables are free for consumers to use, and we do not receive payment from any lender to be included or to be ranked in any particular order. Listings are based solely on the rates each lender publicly advertises on its own website.
A Note on Third-Party Rate Tools: Some pages on our site also feature rate comparison widgets and tools provided by third-party partners. These tools may include sponsored listings or affiliate links, and we may receive compensation when users click through them. We clearly label these widgets so you can tell at a glance which rates come from our independent MonitorBankRates.com tables and which come from our advertising partners.
Direct-Sourced & Verified Auto Loan Rate Data: We aggregate new and used auto loan rates for Idaho directly from the official websites of banks, credit unions, and online lenders using our proprietary rate aggregation technology and a dedicated team of rate updaters. By sourcing data from the lenders’ own digital properties and verifying APRs regularly, every rate on MonitorBankRates.com is highly accurate and trustworthy.
Local, Regional, and National Coverage: Our systems constantly monitor the market to provide a complete picture of available auto loan products in Idaho. We feature a comprehensive mix of lenders, from neighborhood credit unions and competitive regional banks to large national auto lenders available to borrowers in ID.
Regularly Updated APRs: Our rate updaters verify and update auto loan rates regularly. Because APRs can change based on market conditions and lender policies, every product features its own “last updated” date for full transparency. Auto loan APRs shown typically represent the lowest available rate for borrowers with excellent credit; your actual rate will depend on your credit history, credit score, income, loan term, vehicle age, and other underwriting factors.
Frequently Asked Questions about Auto Loans in Idaho
How does my credit score affect my car loan rate in Idaho?
Is it better to finance through a dealership or a bank?
What is the difference between New and Used Auto Loan rates?
How long should my auto loan term be?
Should I get preapproved for an auto loan before visiting a dealer in Idaho?
Why are used car loan rates higher than new car rates?
Can I refinance my auto loan if rates drop or my credit improves?
What are the best Auto Loan rates in Idaho?
- Responders Emergency Services Credit Union: 3.79% (New & Used Automobiles and Street Motorcycles)
- Pioneer Federal Credit Union: 4.24% (New and Used Vehicles Loan)
- Lewis Clark Credit Union: 4.25% (Autos)
- Rails West Federal Credit Union: 4.34% (Auto Loan)
- Rogue Credit Union: 4.49% (Newer (2023 and Newer) Auto Loans)
Auto Loan Rates by City in Idaho
