Car Payment Affordability
Find the most expensive car you can buy for a monthly budget.
About Car Payment Affordability
The present-value formula turns a fixed monthly budget into the loan size it supports, then the down payment is added. Working backward from a monthly budget keeps car payments inside your limits instead of over-committing on the lot.
Formula
Car Payment Affordability
Loan = payment x (1 - (1 + r)^-n) / r; price = loan + down payment
- r
- Monthly interest rate (annual rate / 12)
Worked example
With the default values below, Car Payment Affordability returns Affordable Price of $36,495. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Down paymentminimum 0
- 10,000
- Monthly paymentminimum 0
- 500
- Interest rateaccepts 0–25 %
- 5 %
- Loan termminimum 1
- 60
Results
- Affordable Price
- $36,495
- Max Loan Amount
- $26,495
- Total Interest
- $6,624
Step by step
- 1Values used
- 2Car Payment Affordability
- 3Affordable Price= 36,495
- 4Max Loan Amount= 26,495
- 5Total Interest= 6,624
Assumptions and limits
- The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to whole numbers, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is Car Payment Affordability calculated?
Loan = payment x (1 - (1 + r)^-n) / r; price = loan + down payment The present-value formula turns a fixed monthly budget into the loan size it supports, then the down payment is added.
Why does Car Payment Affordability matter?
Working backward from a monthly budget keeps car payments inside your limits instead of over-committing on the lot.
What values do I need to enter?
This calculator takes 4 inputs: Down payment, Monthly payment, Interest rate, Loan term. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.