Free car payment calculator with trade-in, tax and insurance
Model the full deal with trade equity, fees, insurance, extra principal, payoff charts and amortization.
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Make the car budget make sense before you shop.
These guides focus on the questions that change whether a used car actually fits: monthly payment, insurance, loan term, trade equity, fees, title evidence and accident history.
How much car can I afford?
Pick a monthly ceiling, subtract insurance, and turn the payment into a price you can finance.
Read guideHow to estimate car insurance before you buy
What sets your premium, full-coverage averages near ten big metros, quoting by VIN, and what insurance does to your budget.
Read guideOut-the-door price: what a used car really costs
Add tax, title, registration and dealer fees to the price, with a line-by-line Houston dealer quote.
Read guidePrivate seller vs. dealer: the true cost comparison
Taxes, doc fees, financing and title risks, with the same car priced out in Houston and Phoenix.
Read guideHow sales tax works on a used car
Location, trade-in credits and local caps, with the same $25,000 deal taxed in seven big metros.
Read guideHow much should you put down on a used car?
$0, 10% and 20% down on a $25,000 Houston car: payment, interest and how much you'd still owe.
Read guideHow the trade-in tax credit works in your state
What a $10,000 trade-in saves on tax in Texas, California, Florida, Arizona, Georgia, Illinois, Colorado and Utah.
Read guideHow to read a buyer's order before you sign
Every line explained, a Charlotte example where one pre-printed line costs $1,606, and the red flags to catch.
Read guideHow dealers use your trade-in to hide the real numbers
Inflated trade offers, rolled-in negative equity, payment packing, rate markups and yo-yo financing, worked out.
Read guideHow APR and loan term change your car payment
The same loan at different rates, terms and credit tiers, and how to get a better rate.
Read guideWhat dealer add-ons do to your car payment
A $3,000 warranty and GAP package, worked out: monthly cost, total cost, cheaper GAP and add-on refunds.
Read guideShould you refinance your car loan?
A worked example after credit improves, the longer-term trap, fees to count and when to skip it.
Read guidePaying extra on a car loan: what you save
Extra monthly amounts, rounding up, lump sums and biweekly payments, worked out.
Read guideSalvage vs. rebuilt title
What branded titles mean, why they sell for less, and how to check a VIN before you buy.
Read guideWhat used car can you afford on a $500 monthly budget?
A Houston example from $12,510 to $15,700 by credit score, and how insurance, term, taxes and fees change it.
Read guideWhat does a $20,000 used car really cost per month?
See why the asking price alone cannot tell you the monthly obligation.
Read guide72 vs. 84 month car loan: payment versus total cost
Understand what a longer term changes before using it to make a car fit the budget.
Read guideClean title vs. accident history
Learn why a clean title does not mean a vehicle has never been damaged.
Read guideHow trade-in equity changes your car payment
Understand positive equity, negative equity and how each changes the amount financed.
Read guideTrue monthly car cost guide
A broader guide to APR, term, insurance, taxes, fees, down payment and trade equity.
Read guideUsed-car title and accident-history guide
Keep VIN identity, title evidence, accident history and listing freshness separate.
Read guideHow LotGauge works
See the methodology behind discovery, verification, affordability checks and ranking.
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