$18,000 car loan for 72 months
$308.09/month principal and interest, before sales tax
$4,183 total interest over 72 months
Principal $18,000 Interest $4,183. 19¢ of every dollar paid goes to interest.
72 months at 7.14%, the Federal Reserve's average finance rate on 60-month new-car loans at commercial banks (May 2026 survey). The Fed does not survey 72-month loans; longer loans usually carry higher rates than this.
Source: Federal Reserve G.19, May 2026 survey. An average, not an offer.
By credit score
| Credit tier | Score | New-car APR | Payment | Used-car APR | Payment |
|---|---|---|---|---|---|
| Super prime | 781–850 | 4.41% | $284.99 | 6.29% | $300.78 |
| Prime | 661–780 | 6.23% | $300.27 | not reported | — |
| Near prime | 601–660 | 9.67% | $330.48 | not reported | — |
| Subprime | 501–600 | 13.44% | $365.53 | not reported | — |
| Deep subprime | 300–500 | 16.11% | $391.54 | 21.62% | $448.22 |
Averages across lenders for loans originated in the quarter, not offers. All tiers combined: 6.35% new, 11.19% used.
By loan term
With sales tax
| State tax rate sales tax (statewide base incl. 1.25% uniform local) | 7.25% |
|---|---|
| Trade-in credit | no |
| Taxable amount | $18,000 |
| Sales tax | $1,305 |
| Financed (price − trade-in + tax) | $19,305 |
| Monthly payment with tax | $330.43 |
Trade-in is treated as payment and does not reduce the taxable selling price (CDTFA Pub 34). District taxes add on top of 7.25% depending on the registration address. Only states whose rules we have verified are listed.
Payment and income
The $308.09 payment is 10% of gross income at $36,971 a year and 15% at $24,647. Insurance, fuel and maintenance come on top.
Amortization schedule
First 12 months
| Month | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $200.99 | $107.10 | $17,799.01 |
| 2 | $202.19 | $105.90 | $17,596.82 |
| 3 | $203.39 | $104.70 | $17,393.42 |
| 4 | $204.60 | $103.49 | $17,188.82 |
| 5 | $205.82 | $102.27 | $16,983.00 |
| 6 | $207.04 | $101.05 | $16,775.96 |
| 7 | $208.28 | $99.82 | $16,567.68 |
| 8 | $209.52 | $98.58 | $16,358.16 |
| 9 | $210.76 | $97.33 | $16,147.40 |
| 10 | $212.02 | $96.08 | $15,935.38 |
| 11 | $213.28 | $94.82 | $15,722.11 |
| 12 | $214.55 | $93.55 | $15,507.56 |
Year by year
| Year | Principal | Interest | Balance at year end |
|---|---|---|---|
| 1 | $2,492 | $1,205 | $15,508 |
| 2 | $2,676 | $1,021 | $12,831 |
| 3 | $2,874 | $823 | $9,957 |
| 4 | $3,086 | $611 | $6,872 |
| 5 | $3,314 | $384 | $3,558 |
| 6 | $3,558 | $139 | $0 |
| Total | $18,000 | $4,183 | $0 |
Full schedule, all 72 payments
| Month | Principal | Interest | Balance |
|---|---|---|---|
| 1 | 200.99 | 107.10 | 17,799.01 |
| 2 | 202.19 | 105.90 | 17,596.82 |
| 3 | 203.39 | 104.70 | 17,393.42 |
| 4 | 204.60 | 103.49 | 17,188.82 |
| 5 | 205.82 | 102.27 | 16,983.00 |
| 6 | 207.04 | 101.05 | 16,775.96 |
| 7 | 208.28 | 99.82 | 16,567.68 |
| 8 | 209.52 | 98.58 | 16,358.16 |
| 9 | 210.76 | 97.33 | 16,147.40 |
| 10 | 212.02 | 96.08 | 15,935.38 |
| 11 | 213.28 | 94.82 | 15,722.11 |
| 12 | 214.55 | 93.55 | 15,507.56 |
| 13 | 215.82 | 92.27 | 15,291.74 |
| 14 | 217.11 | 90.99 | 15,074.63 |
| 15 | 218.40 | 89.69 | 14,856.23 |
| 16 | 219.70 | 88.39 | 14,636.53 |
| 17 | 221.01 | 87.09 | 14,415.52 |
| 18 | 222.32 | 85.77 | 14,193.20 |
| 19 | 223.64 | 84.45 | 13,969.56 |
| 20 | 224.97 | 83.12 | 13,744.58 |
| 21 | 226.31 | 81.78 | 13,518.27 |
| 22 | 227.66 | 80.43 | 13,290.61 |
| 23 | 229.01 | 79.08 | 13,061.60 |
| 24 | 230.38 | 77.72 | 12,831.22 |
| 25 | 231.75 | 76.35 | 12,599.47 |
| 26 | 233.13 | 74.97 | 12,366.34 |
| 27 | 234.51 | 73.58 | 12,131.83 |
| 28 | 235.91 | 72.18 | 11,895.92 |
| 29 | 237.31 | 70.78 | 11,658.61 |
| 30 | 238.72 | 69.37 | 11,419.88 |
| 31 | 240.15 | 67.95 | 11,179.74 |
| 32 | 241.57 | 66.52 | 10,938.16 |
| 33 | 243.01 | 65.08 | 10,695.15 |
| 34 | 244.46 | 63.64 | 10,450.69 |
| 35 | 245.91 | 62.18 | 10,204.78 |
| 36 | 247.38 | 60.72 | 9,957.41 |
| 37 | 248.85 | 59.25 | 9,708.56 |
| 38 | 250.33 | 57.77 | 9,458.23 |
| 39 | 251.82 | 56.28 | 9,206.42 |
| 40 | 253.32 | 54.78 | 8,953.10 |
| 41 | 254.82 | 53.27 | 8,698.28 |
| 42 | 256.34 | 51.75 | 8,441.94 |
| 43 | 257.86 | 50.23 | 8,184.07 |
| 44 | 259.40 | 48.70 | 7,924.68 |
| 45 | 260.94 | 47.15 | 7,663.73 |
| 46 | 262.49 | 45.60 | 7,401.24 |
| 47 | 264.06 | 44.04 | 7,137.18 |
| 48 | 265.63 | 42.47 | 6,871.56 |
| 49 | 267.21 | 40.89 | 6,604.35 |
| 50 | 268.80 | 39.30 | 6,335.55 |
| 51 | 270.40 | 37.70 | 6,065.15 |
| 52 | 272.01 | 36.09 | 5,793.15 |
| 53 | 273.62 | 34.47 | 5,519.52 |
| 54 | 275.25 | 32.84 | 5,244.27 |
| 55 | 276.89 | 31.20 | 4,967.38 |
| 56 | 278.54 | 29.56 | 4,688.84 |
| 57 | 280.19 | 27.90 | 4,408.65 |
| 58 | 281.86 | 26.23 | 4,126.79 |
| 59 | 283.54 | 24.55 | 3,843.25 |
| 60 | 285.23 | 22.87 | 3,558.02 |
| 61 | 286.92 | 21.17 | 3,271.10 |
| 62 | 288.63 | 19.46 | 2,982.47 |
| 63 | 290.35 | 17.75 | 2,692.12 |
| 64 | 292.08 | 16.02 | 2,400.04 |
| 65 | 293.81 | 14.28 | 2,106.23 |
| 66 | 295.56 | 12.53 | 1,810.67 |
| 67 | 297.32 | 10.77 | 1,513.35 |
| 68 | 299.09 | 9.00 | 1,214.26 |
| 69 | 300.87 | 7.22 | 913.39 |
| 70 | 302.66 | 5.43 | 610.73 |
| 71 | 304.46 | 3.63 | 306.27 |
| 72 | 306.27 | 1.82 | 0.00 |
Questions
What is the monthly payment on a $18,000 car loan for 72 months?
$308.09 at 7.14%, the average commercial-bank rate in the Fed's latest survey. Total interest is $4,183.
How much is a $18,000 car loan with bad credit?
At Experian's Q2 2026 average for subprime borrowers (scores 501–600, 13.44% on new cars), $365.53 a month over 72 months, versus $300.27 for prime borrowers.
Is 60 or 72 months better for a $18,000 car loan?
At the same 7.14% rate, 72 months lowers the payment from $357.61 to $308.09 but adds $726 in interest, and longer loans usually carry higher rates.
What income do I need for a $18,000 car loan?
The $308.09 payment is 10% of gross income at $36,971 a year and 15% at $24,647. Many budgets keep car payments near 10–15% of income.
How much does sales tax add to a $18,000 car in California?
$1,305 at the 7.25% state rate (no trade-in credit in this state). Financed with the car, it raises the payment to $330.43. Local taxes can add more.
Sources
- New-car loan, 60 months average: 7.14%. Federal Reserve G.19 Consumer Credit, terms of credit at commercial banks, series RIFLPBCIANM60NM, as of May 1, 2026; retrieved September 26, 2026.
- Average auto loan APR by credit tier. Experian State of the Automotive Finance Market, Q2 2026; retrieved September 26, 2026.
- State vehicle sales tax and trade-in rules. State revenue departments and DMVs; state rate only, local taxes excluded.
Numbers on this page last changed September 26, 2026. How they are calculated: methodology.