{
  "id": "v20-uk-lease-vs-buy",
  "version": "20.16.0",
  "name": "Vehicle Lease Versus Buy Calculator — United Kingdom",
  "shortName": "Vehicle Lease Versus Buy",
  "description": "Compare equal ownership periods while accounting for the outstanding purchase loan and the lease distance allowance. GBP planning view; stated limitations apply.",
  "category": "Vehicles & Travel",
  "categorySlug": "vehicles-travel",
  "keywords": [
    "lease-vs-buy",
    "uk",
    "vehicle-energy",
    "consumer-finance",
    "vehicle-rating"
  ],
  "status": "live",
  "workStatus": "pending",
  "reviewStatus": "pending",
  "migrationStatus": "new",
  "engine": "native",
  "creator": null,
  "reviewer": null,
  "quality": {
    "availability": "live",
    "technicalReviewRecord": "/reviews/v20-uk-lease-vs-buy.json",
    "qualifiedReview": "pending",
    "qualifiedReviewer": null,
    "qualifiedReviewDate": null,
    "formulaVersion": "20.16.0",
    "referenceCoverage": "references-listed",
    "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
    "historicalMetadataDate": "",
    "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
  },
  "notice": "Illustrative defaults are not local quotes or verified legal rules. Dated reference components and user-entered assumptions are explicitly distinguished. Professional review is pending.",
  "urls": {
    "page": "/uk/lease-vs-buy/",
    "definition": "/uk/lease-vs-buy/definition.json",
    "schema": "/uk/lease-vs-buy/schema.json",
    "llms": "/uk/lease-vs-buy/llms.txt",
    "legacyDefinition": "/uk/lease-vs-buy/definition.json"
  },
  "queryExample": "https://askcalculators.com/uk/lease-vs-buy/?unitSystem=metric&months=36&buyPrice=30000&buyDownPayment=5000&loanRate=6&loanMonths=60&resale=20000&leaseUpfront=2000&leaseMonthly=400&leaseEndFees=500&distance=45000&leaseAllowance=36000&excessRate=0.15",
  "queryParameters": {
    "unitSystem": {
      "label": "Measurement system",
      "type": "select",
      "required": false,
      "default": "metric"
    },
    "months": {
      "label": "Comparison horizon, months",
      "type": "number",
      "required": true,
      "default": 36
    },
    "buyPrice": {
      "label": "Purchase price including purchase taxes/fees",
      "type": "money",
      "required": true,
      "default": 30000
    },
    "buyDownPayment": {
      "label": "Purchase down payment",
      "type": "money",
      "required": true,
      "default": 5000
    },
    "loanRate": {
      "label": "Purchase loan annual nominal rate",
      "type": "percent",
      "required": true,
      "default": 6
    },
    "loanMonths": {
      "label": "Purchase loan term, months",
      "type": "number",
      "required": true,
      "default": 60
    },
    "resale": {
      "label": "Expected sale proceeds at comparison horizon",
      "type": "money",
      "required": true,
      "default": 20000
    },
    "leaseUpfront": {
      "label": "Nonrefundable lease cash at signing",
      "type": "money",
      "required": true,
      "default": 2000
    },
    "leaseMonthly": {
      "label": "Monthly lease payment including stated taxes",
      "type": "money",
      "required": true,
      "default": 400
    },
    "leaseEndFees": {
      "label": "Expected lease-end/disposition/condition fees",
      "type": "money",
      "required": true,
      "default": 500
    },
    "distance": {
      "label": "Total distance driven during comparison",
      "type": "number",
      "required": true,
      "default": 45000
    },
    "leaseAllowance": {
      "label": "Total permitted lease distance during comparison",
      "type": "number",
      "required": true,
      "default": 36000
    },
    "excessRate": {
      "label": "Lease excess-distance charge per distance unit",
      "type": "money",
      "required": true,
      "default": 0.15
    }
  },
  "inputs": [
    {
      "id": "unitSystem",
      "label": "Measurement system",
      "type": "select",
      "defaultValue": "metric",
      "options": [
        {
          "value": "imperial",
          "label": "Imperial (US gallons / short tons where relevant)"
        },
        {
          "value": "metric",
          "label": "Metric"
        }
      ]
    },
    {
      "id": "months",
      "label": "Comparison horizon, months",
      "type": "number",
      "defaultValue": 36,
      "required": true,
      "min": 1,
      "max": 1200,
      "step": 1,
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "buyPrice",
      "label": "Purchase price including purchase taxes/fees",
      "type": "money",
      "defaultValue": 30000,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "GBP",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "buyDownPayment",
      "label": "Purchase down payment",
      "type": "money",
      "defaultValue": 5000,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "GBP",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "loanRate",
      "label": "Purchase loan annual nominal rate",
      "type": "percent",
      "defaultValue": 6,
      "required": true,
      "min": 0,
      "max": 100,
      "step": 0.1,
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "loanMonths",
      "label": "Purchase loan term, months",
      "type": "number",
      "defaultValue": 60,
      "required": true,
      "min": 1,
      "max": 1200,
      "step": 1,
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "resale",
      "label": "Expected sale proceeds at comparison horizon",
      "type": "money",
      "defaultValue": 20000,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "GBP",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "leaseUpfront",
      "label": "Nonrefundable lease cash at signing",
      "type": "money",
      "defaultValue": 2000,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "GBP",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "leaseMonthly",
      "label": "Monthly lease payment including stated taxes",
      "type": "money",
      "defaultValue": 400,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "GBP",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "leaseEndFees",
      "label": "Expected lease-end/disposition/condition fees",
      "type": "money",
      "defaultValue": 500,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "GBP",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "distance",
      "label": "Total distance driven during comparison",
      "type": "number",
      "defaultValue": 45000,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "suffix": "km",
      "unitConversion": {
        "factor": 1.609344,
        "offset": 0,
        "inverse": false,
        "metric": "km",
        "imperial": "mi",
        "canonicalMin": 0,
        "canonicalMax": 1000000000000
      },
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "leaseAllowance",
      "label": "Total permitted lease distance during comparison",
      "type": "number",
      "defaultValue": 36000,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "suffix": "km",
      "unitConversion": {
        "factor": 1.609344,
        "offset": 0,
        "inverse": false,
        "metric": "km",
        "imperial": "mi",
        "canonicalMin": 0,
        "canonicalMax": 1000000000000
      },
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "excessRate",
      "label": "Lease excess-distance charge per distance unit",
      "type": "money",
      "defaultValue": 0.15,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "prefix": "GBP",
      "suffix": "/km",
      "unitConversion": {
        "factor": 1.609344,
        "offset": 0,
        "inverse": true,
        "metric": "km",
        "imperial": "mi",
        "canonicalMin": 0,
        "canonicalMax": 1000000000000
      },
      "help": "Illustrative starting value; replace with your own evidence."
    }
  ],
  "outputs": [
    {
      "id": "loanPayment",
      "label": "Purchase loan monthly payment",
      "format": "currency",
      "digits": 2,
      "currency": "GBP"
    },
    {
      "id": "remainingLoan",
      "label": "Purchase loan balance at horizon",
      "format": "currency",
      "digits": 2,
      "currency": "GBP"
    },
    {
      "id": "buyCost",
      "label": "Purchase cash paid plus loan balance minus sale proceeds",
      "format": "currency",
      "digits": 2,
      "currency": "GBP"
    },
    {
      "id": "leaseCost",
      "label": "Entered lease cash and excess-distance cost",
      "format": "currency",
      "digits": 2,
      "currency": "GBP"
    },
    {
      "id": "leaseMinusBuy",
      "label": "Lease cost minus purchase cost",
      "format": "currency",
      "digits": 2,
      "primary": true,
      "currency": "GBP"
    }
  ],
  "formula": {
    "expression": "purchase cost at exit = down payment + loan payments made + remaining loan − sale proceeds.",
    "note": "Inputs are converted to canonical units before evaluating this stated formula."
  },
  "examples": [
    {
      "label": "Illustrative defaults; required verification checks remain unconfirmed",
      "inputs": {
        "unitSystem": "metric",
        "months": 36,
        "buyPrice": 30000,
        "buyDownPayment": 5000,
        "loanRate": 6,
        "loanMonths": 60,
        "resale": 20000,
        "leaseUpfront": 2000,
        "leaseMonthly": 400,
        "leaseEndFees": 500,
        "distance": 45000,
        "leaseAllowance": 36000,
        "excessRate": 0.15
      }
    }
  ],
  "sources": [
    {
      "label": "DOE energy-use arithmetic",
      "url": "https://www.energy.gov/energysaver/save-electricity-and-fuel/appliances-and-electronics/estimating-appliance-and-home"
    },
    {
      "label": "NIST unit conversion guidance",
      "url": "https://www.nist.gov/pml/special-publication-811"
    },
    {
      "label": "CFPB loan-estimate explanation",
      "url": "https://www.consumerfinance.gov/owning-a-home/loan-estimate/"
    }
  ],
  "publicSlug": "lease-vs-buy",
  "namespace": "uk",
  "countries": [
    "us",
    "ca",
    "uk",
    "ie"
  ]
}