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60-Month vs 72-Month Auto Loan

The payment-vs-interest trade-off on a $30,000 car with $3,000 down: a 72-month loan at 6% versus the same loan over 60 months. A pre-filled auto loan calculator scenario.

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Last updated: 2026-08-19

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Your loan details

Results

Monthly payment

$482

Loan amount

$29,100

Total interest

$5,624

Total payments

$34,724

Total vehicle cost

$37,724

Sales tax

$2,100

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CalcAtlascalc.100ideas.net60-Month vs 72-Month Auto LoanMonthly payment$482Loan amount$29,100Total vehicle cost$37,724calc.100ideas.net

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Loan balance over time

Payment breakdown

MonthPrincipalInterestBalance
1$337$146$28,763
2$338$144$28,425
3$340$142$28,085
4$342$140$27,743
5$344$139$27,399
6$345$137$27,054
7$347$135$26,707
8$349$134$26,358
9$350$132$26,008
10$352$130$25,656
11$354$128$25,302
12$356$127$24,946
13$358$125$24,588
14$359$123$24,229
15$361$121$23,868
16$363$119$23,505
17$365$118$23,140
18$367$116$22,773
19$368$114$22,405
20$370$112$22,035
21$372$110$21,663
22$374$108$21,289
23$376$106$20,913
24$378$105$20,535
25$380$103$20,156
26$381$101$19,774
27$383$99$19,391
28$385$97$19,005
29$387$95$18,618
30$389$93$18,229
31$391$91$17,838
32$393$89$17,445
33$395$87$17,050
34$397$85$16,653
35$399$83$16,254
36$401$81$15,853
37$403$79$15,450
38$405$77$15,045
39$407$75$14,638
40$409$73$14,229
41$411$71$13,817
42$413$69$13,404
43$415$67$12,989
44$417$65$12,572
45$419$63$12,152
46$422$61$11,731
47$424$59$11,307
48$426$57$10,881
49$428$54$10,454
50$430$52$10,024
51$432$50$9,591
52$434$48$9,157
53$436$46$8,721
54$439$44$8,282
55$441$41$7,841
56$443$39$7,398
57$445$37$6,953
58$448$35$6,505
59$450$33$6,055
60$452$30$5,603
61$454$28$5,149
62$457$26$4,693
63$459$23$4,234
64$461$21$3,773
65$463$19$3,309
66$466$17$2,844
67$468$14$2,376
68$470$12$1,905
69$473$10$1,432
70$475$7$957
71$477$5$480
72$480$2$0

Scenario Benchmark

Key figures for 60-Month vs 72-Month Auto Loan.

Monthly payment

$482

Loan amount

$29,100

Total interest

$5,624

Sales tax

$2,100

Total vehicle cost

$37,724

Frequently asked questions

How the maths works

An auto loan is a fixed-rate amortizing loan: equal monthly payments, with interest front-loaded and principal growing over time. Adding tax and subtracting your trade-in gives the true amount financed.

  1. 1Sales tax is calculated on the price minus the trade-in value.
  2. 2Loan amount = price − down payment − trade-in + sales tax.
  3. 3Monthly payment M = L·r / (1 − (1+r)^−n), where r is the monthly rate and n the term in months.
  4. 4Each month, interest = balance·r and the rest of the payment reduces the principal.

Figures exclude registration, fees and insurance. Results are illustrative, not a loan offer.

Everything you need to know

What really goes into a car loan?

The financed amount is not just the sticker price — sales tax is usually rolled into the loan, while your down payment and trade-in reduce it.

Because the tax is financed too, you pay interest on it. That is why the total vehicle cost always exceeds the price on the window sticker.

Shorter term or lower payment?

A 60-month loan costs far less interest than 72 months, but a higher monthly payment. Choosing the shortest term you can afford is the fastest way to cut interest.

The calculator shows the trade-off directly: change the term and watch the payment and total interest move in opposite directions.

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