Auto & Vehicle Tools

Decode a VIN, check open recalls, project depreciation, compare EV and gas costs, and find out what a specific car will really cost you before you sign anything.

The VIN decoder & recall watch pulls the factory build sheet, open safety recalls, owner complaints, and crash-test ratings from federal NHTSA databases. All it needs is the 17-character VIN. Pair it with the true cost of ownership calculator to see what that specific car costs over five years, not just what it costs to buy.

The money side is covered too. There's an auto loan calculator that flags underwater risk, a depreciation projector, fuel cost and MPG tools, and an EV vs gas comparison built on real state energy prices. None of them ask for your contact details or hand you off to a dealership.

Honey-Do Tracker — home maintenance for landlords and property managers

Auto & Vehicle Tools

Auto Loan Calculator

Calculate monthly payments, total interest, and underwater risk

Car Depreciation Calculator

See how your car loses value year by year with a 10-year projection

EV vs Gas Cost Calculator

Real state energy prices, tax credits, and 5-year ownership cost

Fuel Cost Calculator

Calculate your trip fuel cost and compare vehicles side by side

MPG Calculator

Calculate fuel economy and trip costs

True Cost of Ownership Calculator

What a specific car actually costs over five years, not what it costs to buy.

Vehicle Safety & Complaint Report

The crash-test stars, and then the part nobody shows you: what owners complained about.

VIN Decoder & Recall Watch

Factory build sheet, open safety recalls, complaints, and crash ratings from one VIN

Getting the Most from Auto & Vehicle Tools

Start with the specific car, not the category

Generic car advice fails because cars aren't generic. If you're looking at a particular vehicle, run its VIN through the VIN decoder & recall watch first. It confirms what the car actually is (trim, engine, plant, model year) and surfaces any recall the seller hasn't mentioned. Then check the safety & complaint report for the model: the crash-test stars everyone quotes, plus the complaint patterns nobody shows you.

Once the car checks out, the true cost of ownership calculator and the depreciation calculator turn the sticker price into the number that matters, which is what owning it costs per year. Two cars with the same price tag can end up thousands apart per year once depreciation, fuel, and insurance enter the math.

What these tools won't tell you

A VIN lookup reports what the government knows about a vehicle line. It can't see whether this particular car was crashed, flooded, or skipped every oil change. For a used purchase, a pre-purchase inspection by an independent mechanic is still non-negotiable. Insurance estimates in the ownership math use typical rates, and your actual quote depends on your record, your ZIP code, and the insurer's own models.

Depreciation projections are segment-level curves. A well-kept, high-demand model can beat the curve. A discontinued model, or one with a reputation problem, can fall through it. Treat the projection as the baseline scenario, not a promise.

Rates and fuel prices move the math

A $30,000 loan over 60 months runs about $566 a month at 5% APR and $623 at 9%. That's roughly $3,400 more in total interest for the same car. Check the average auto loan rate tracker before you model a payment, and stress-test the loan calculator a point or two above the advertised rate.

Fuel works the same way. The gas price tracker shows today's average in your state, which feeds directly into the fuel cost calculator and the EV vs gas comparison. A commute that pencils out at $3.40 a gallon looks different at $4.50.

137 Foundry — custom app building studio

Who Are These Tools For?

Car Shoppers

Decode the VIN, pull crash ratings and owner complaints, and project the five-year cost before you make an offer on a specific vehicle.

Current Owners

Check open recalls on your own car, track your real-world MPG, and see what your commute actually costs at today's gas prices.

EV-Curious Drivers

Compare electric and gas ownership using real state electricity and fuel prices plus applicable tax credits instead of national averages.

Auto & Vehicle vs Personal Finance: The Car vs the Budget

Auto & Vehicle tools handle vehicle-specific math: what a VIN reveals, how a model depreciates, what a trip costs in fuel, what five years of ownership adds up to. If the question starts with a specific car, this is the category.

Personal Finance covers the household-wide picture, meaning budgeting, debt payoff across all debt types, and savings goals. The two meet at the auto loan. The payment itself is vehicle math, but whether that payment fits alongside your rent, cards, and savings rate is a budget question. Before committing to a 72-month term, it's worth running both.

Frequently Asked Questions

Vehicle details, recalls, complaints, and crash ratings come from NHTSA's public federal databases, including the vPIC vehicle database. A VIN identifies a vehicle, not a person. It contains no owner information.

It uses depreciation curves by vehicle segment, which is how the industry models resale value in aggregate. Your actual car's value also depends on mileage, condition, color, options, and local demand. Read the 10-year projection as the expected path for a typical example, with real-world outcomes spread around it.

Start from the current market average on the auto loan rate tracker, then adjust for your situation. Strong credit typically prices below the average, subprime well above it, and used-car loans generally run higher than new-car loans. Model your payment at a rate slightly above what you expect, so the lender's final offer can only surprise you in the right direction.

Yes. It factors in applicable EV tax credits along with real state-level electricity and gasoline prices to build a 5-year ownership comparison. Because energy prices differ so much by state, the same two vehicles can produce opposite answers in different parts of the country.

The MPG calculator works backward from your odometer and fill-up amounts to measure the fuel economy you're actually getting. The fuel cost calculator works forward: given an MPG figure and a fuel price, it projects what a trip or a monthly commute will cost, and it lets you compare vehicles side by side.

The five-year view combines the big costs shoppers usually skip: depreciation (typically the largest), financing interest, fuel, and insurance, plus maintenance and taxes and fees. Purchase price tells you what a car costs to acquire. TCO tells you what it costs to have.

Key Terms

VIN (vehicle identification number): The 17-character code stamped on every vehicle since 1981. It encodes manufacturer, model, engine, plant, and model year, and it's the key for recall and complaint lookups. It identifies the vehicle, not the owner.
Open recall: A safety defect the manufacturer is legally required to fix for free that hasn't yet been repaired on a specific vehicle. Millions of cars on the road carry open recalls their owners don't know about.
Depreciation: The loss in a vehicle's market value over time, and typically the single largest cost of ownership. New cars commonly lose a large share of their value in the first three years, which is exactly when long loans and small down payments hurt most.
Residual value: What a vehicle is projected to be worth at a future point, expressed in dollars or as a percentage of the original price. It drives lease payments and determines how much of your loan you can recover by selling.
Negative equity (underwater): Owing more on the loan than the car is currently worth. It happens when depreciation outpaces principal paydown, most often with small down payments and long loan terms, and it makes selling or totaling the car expensive.
APR (annual percentage rate): The yearly cost of borrowing including interest and mandatory fees. On auto loans, the APR you qualify for depends heavily on your credit tier and on whether the car is new or used.
MPGe: Miles per gallon equivalent, the EPA's way of expressing electric vehicle efficiency in gas-comparable terms. It's based on 33.7 kWh of electricity having the energy content of one gallon of gasoline.