{"uid":"cap_OgoTjweSkKAVgG6unkliI","slug":"gas-mileage-savings-calculator-77ae4951","name":"Gas Mileage Savings Calculator","description":"Gas mileage savings calculator. Compares annual fuel cost between two gas-powered vehicles based on miles driven, gas price, and each vehicle's MPG, and computes the break-even point for any price premium of the more efficient vehicle.","url":"https://x402.outpimp.com/gasMileageSavingsCalculator","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"vehicleA":{"type":"object","properties":{"mpg":{"type":"number","description":"Miles per gallon."},"purchasePrice":{"type":"number","description":"Vehicle purchase price."}}},"vehicleB":{"type":"object","properties":{"mpg":{"type":"number","description":"Miles per gallon."},"purchasePrice":{"type":"number","description":"Vehicle purchase price."}}},"milesPerYear":{"type":"number","description":"Expected annual miles driven."},"gasPricePerGallon":{"type":"number","description":"Local gas price per gallon."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4lQaihZ4XeYUnJeMsQvrT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Compares annual fuel costs between two gas-powered vehicles and computes the break-even point for any price premium of the more efficient vehicle.","exampleAgentPrompt":"I'm deciding between a Toyota Camry (32 MPG, $28,000) and a Honda Accord (38 MPG, $31,000) — I drive about 15,000 miles a year and gas is $3.50 a gallon. How much would I save annually and when would the Accord pay for itself?","exampleUseCases":[{"title":"New car purchase decision","prompt":"Help me decide if it's worth paying extra for the hybrid version — the regular SUV gets 24 MPG and costs $35,000, while the hybrid gets 42 MPG and costs $42,000. I drive 12,000 miles a year and gas is $3.80 per gallon."},{"title":"Comparing old car vs. new car","prompt":"My current car gets 18 MPG and I'm thinking of trading up to one that gets 30 MPG. Gas is $3.60 a gallon, I drive 18,000 miles a year, and the new car would cost $5,000 more. How long until the fuel savings cover that difference?"},{"title":"Fleet vehicle efficiency analysis","prompt":"We're evaluating two delivery vans for our fleet — Van A gets 22 MPG and costs $45,000, Van B gets 28 MPG and costs $48,500. Our drivers cover 20,000 miles a year and diesel is $4.10 a gallon. What are the annual savings and break-even?"}],"resultDescription":"Returns the annual fuel cost for each vehicle, the annual dollar savings from the more efficient vehicle, and the break-even period (in years) needed to recoup any purchase price premium through fuel savings.","failureModes":["Missing required fields (vehicleA.mpg, vehicleB.mpg, milesPerYear, gasPricePerGallon) returns an error","MPG value of zero causes division-by-zero error","Negative values for price or miles may return unexpected results","Payment failure (insufficient USDC balance) returns 402 status"],"whenToPreferThis":"Use this endpoint when you need a deterministic, on-demand computation comparing fuel economics between exactly two gasoline-powered vehicles, especially when the break-even analysis on a price premium is needed. Prefer this over manual calculation or LLM estimation when precise numerical outputs are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:34:27.271Z","isFirstParty":false}