# $40,000 Car Loan at 7% for 72 Months — Auto Loan Calculator

> Monthly car payment on a $40,000 vehicle at 7% over 72 months with $4,000 down, and the total cost.

- **Answer:** ~$614/mo
- **Category:** Finance & Money
- **Interactive calculator:** https://youcalc.com/en/finance-money/auto-loan/40000-car-7pct-72mo/
- **Price:** Free, no sign-up required
- **Full calculator:** [Auto Loan Calculator](https://youcalc.com/en/finance-money/auto-loan/)
- **Pre-filled inputs:** `pr=40000&dp=4000&r=7&tm=72`

| Metric | Value |
| --- | --- |
| Monthly payment | $614 |
| Amount financed | $36,000 |
| Total interest | $8,191 |
| Total loan cost | $44,191 |


## Overview

Financing a $40,000 car (with $4,000 down) over 72 months brings the payment down to about $614 a month, roughly $99 less than the 5-year plan. The longer schedule raises total interest to around $8,191 — nearly $1,420 more — for a loan cost near $44,191. With a 6-year term on a depreciating asset, staying ahead of negative equity becomes the thing to watch.

## Method

The calculator first derives the taxable base by subtracting the trade-in from the vehicle price (floored at zero), multiplies that by the sales-tax rate to get the sales-tax amount, then computes the out-the-door price as vehicle price plus sales tax plus fees. The amount financed is the out-the-door price minus the down payment and minus the trade-in, again floored at zero. The monthly payment uses the standard level-payment amortization formula M = P · r(1+r)ⁿ / ((1+r)ⁿ − 1), where P is the amount financed, r is the monthly rate (APR divided by 12), and n is the term in months; at r = 0 the formula degenerates and the calculator falls back to M = P / n. Both the payment formula and the per-month amortization schedule are provided by the shared levelPayment and amortize functions. Total interest is summed from the interest column of the schedule; total loan cost is the amount financed plus total interest. Sources: Bankrate auto loan calculator methodology, Edmunds simplified pricing model, and Investopedia amortization definition.

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## Sources

- https://www.bankrate.com/loans/auto-loans/auto-loan-calculator/
- https://www.edmunds.com/calculators/simplified-pricing.html
- https://www.investopedia.com/terms/a/amortization.asp

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Interactive version: https://youcalc.com/en/finance-money/auto-loan/40000-car-7pct-72mo/ · From YouCalc — https://youcalc.com