[
  {
    "name": "_primaryKey",
    "type": "string",
    "description": "Unique identifier for this record",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "_firstSeenAt",
    "type": "datetime",
    "description": "First time this record was seen",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "_lastSeenAt",
    "type": "datetime",
    "description": "Last time this record was updated",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "listingId",
    "type": "string",
    "description": "CarGurus.com listing ID (unique identifier)",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "vin",
    "type": "string",
    "description": "Vehicle Identification Number (17-character unique code)",
    "fillRate": 100,
    "premium": true
  },
  {
    "name": "price",
    "type": "float",
    "description": "Listed price in USD",
    "fillRate": 87,
    "premium": true
  },
  {
    "name": "expectedPrice",
    "type": "float",
    "description": "Expected/fair market price in USD",
    "fillRate": 92,
    "premium": true
  },
  {
    "name": "priceDifferential",
    "type": "float",
    "description": "Difference between listed and expected price (positive = overpriced)",
    "fillRate": 81,
    "premium": false
  },
  {
    "name": "dealScore",
    "type": "float",
    "description": "CarGurus.com deal score (lower = better deal)",
    "fillRate": 79,
    "premium": true
  },
  {
    "name": "dealRatingKey",
    "type": "string",
    "description": "Deal rating (GREAT_PRICE, GOOD_PRICE, FAIR_PRICE, POOR_PRICE, OVERPRICED, OUTLIER, NA)",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "mileage",
    "type": "float",
    "description": "Odometer reading in miles",
    "fillRate": 98,
    "premium": false
  },
  {
    "name": "vehicleCondition",
    "type": "string",
    "description": "Vehicle condition (USED, CPO, NEW)",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "stockNumber",
    "type": "string",
    "description": "Dealer stock number",
    "fillRate": 98,
    "premium": false
  },
  {
    "name": "year",
    "type": "float",
    "description": "Vehicle model year",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "make",
    "type": "string",
    "description": "Vehicle manufacturer (e.g., Toyota, Ford)",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "model",
    "type": "string",
    "description": "Vehicle model (e.g., Camry, F-150)",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "trim",
    "type": "string",
    "description": "Vehicle trim level (e.g., LX, Limited)",
    "fillRate": 98,
    "premium": false
  },
  {
    "name": "bodyStyle",
    "type": "string",
    "description": "Body style (sedan, pickup_truck, suv, crossover, hatchback, coupe, minivan, wagon, convertible, van)",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "exteriorColor",
    "type": "string",
    "description": "Exterior color",
    "fillRate": 96,
    "premium": false
  },
  {
    "name": "interiorColor",
    "type": "string",
    "description": "Interior color",
    "fillRate": 85,
    "premium": false
  },
  {
    "name": "transmission",
    "type": "string",
    "description": "Transmission type (e.g., 8-Speed Automatic, Continuously Variable Transmission)",
    "fillRate": 98,
    "premium": false
  },
  {
    "name": "drivetrain",
    "type": "string",
    "description": "Drivetrain (Four-Wheel Drive, Front-Wheel Drive, Rear-Wheel Drive, All-Wheel Drive, 4X2)",
    "fillRate": 97,
    "premium": false
  },
  {
    "name": "engine",
    "type": "string",
    "description": "Engine description (e.g., 420 hp 3L I6)",
    "fillRate": 99,
    "premium": false
  },
  {
    "name": "fuelType",
    "type": "string",
    "description": "Fuel type (Gasoline, Diesel, Biodiesel, Flex Fuel Vehicle, Hybrid, Electric)",
    "fillRate": 99,
    "premium": false
  },
  {
    "name": "fuelTankCapacity",
    "type": "float",
    "description": "Fuel tank capacity in gallons",
    "fillRate": 95,
    "premium": false
  },
  {
    "name": "mpgCity",
    "type": "float",
    "description": "City fuel economy in MPG",
    "fillRate": 83,
    "premium": false
  },
  {
    "name": "mpgHighway",
    "type": "float",
    "description": "Highway fuel economy in MPG",
    "fillRate": 83,
    "premium": false
  },
  {
    "name": "mpgCombined",
    "type": "float",
    "description": "Combined fuel economy in MPG",
    "fillRate": 83,
    "premium": false
  },
  {
    "name": "numberOfDoors",
    "type": "string",
    "description": "Number of doors (2 doors, 3 doors, 4 doors)",
    "fillRate": 97,
    "premium": false
  },
  {
    "name": "description",
    "type": "string",
    "description": "Full listing description text",
    "fillRate": 97,
    "premium": false
  },
  {
    "name": "options",
    "type": "array",
    "description": "Array of vehicle options/features",
    "fillRate": 99,
    "premium": false
  },
  {
    "name": "images",
    "type": "array",
    "description": "Array of highest resolution image URLs",
    "fillRate": 81,
    "premium": true
  },
  {
    "name": "imagesCount",
    "type": "float",
    "description": "Number of listing images",
    "fillRate": 81,
    "premium": false
  },
  {
    "name": "daysAtDealer",
    "type": "float",
    "description": "Days vehicle has been at dealer",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "daysOnMarket",
    "type": "float",
    "description": "Days listing has been on market",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "accidentCount",
    "type": "float",
    "description": "Number of accidents in vehicle history (0-5)",
    "fillRate": 91,
    "premium": false
  },
  {
    "name": "ownerCount",
    "type": "float",
    "description": "Number of previous owners (1-5)",
    "fillRate": 90,
    "premium": false
  },
  {
    "name": "hasVehicleHistoryReport",
    "type": "bool",
    "description": "Whether vehicle history report is available",
    "fillRate": 92,
    "premium": false
  },
  {
    "name": "optionsCount",
    "type": "float",
    "description": "Number of options/features listed",
    "fillRate": 99,
    "premium": false
  },
  {
    "name": "highLeverage",
    "type": "bool",
    "description": "Whether listing is flagged as high leverage",
    "fillRate": 25,
    "premium": false
  },
  {
    "name": "isNationwideShipper",
    "type": "bool",
    "description": "Whether dealer ships nationwide",
    "fillRate": 20,
    "premium": false
  },
  {
    "name": "entityId",
    "type": "string",
    "description": "CarGurus.com entity/trim ID (e.g., t113477)",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "carId",
    "type": "float",
    "description": "CarGurus.com car ID",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "makeId",
    "type": "string",
    "description": "CarGurus.com make ID (e.g., m32)",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "modelId",
    "type": "string",
    "description": "CarGurus.com model ID (e.g., d493)",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "postalCode",
    "type": "string",
    "description": "Listing postal code",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "sellerId",
    "type": "float",
    "description": "CarGurus.com seller/dealer ID",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "sellerType",
    "type": "string",
    "description": "Seller type (e.g., DEALER)",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "sellerName",
    "type": "string",
    "description": "Dealer/seller name",
    "fillRate": 100,
    "premium": true
  },
  {
    "name": "sellerStreet",
    "type": "string",
    "description": "Seller street address",
    "fillRate": 99,
    "premium": true
  },
  {
    "name": "sellerCity",
    "type": "string",
    "description": "Seller city",
    "fillRate": 99,
    "premium": false
  },
  {
    "name": "sellerState",
    "type": "string",
    "description": "Seller state (2-letter code)",
    "fillRate": 99,
    "premium": false
  },
  {
    "name": "sellerPostalCode",
    "type": "string",
    "description": "Seller postal code",
    "fillRate": 99,
    "premium": false
  },
  {
    "name": "sellerCountry",
    "type": "string",
    "description": "Seller country (e.g., US)",
    "fillRate": 99,
    "premium": false
  },
  {
    "name": "sellerLatitude",
    "type": "float",
    "description": "Seller location latitude",
    "fillRate": 99,
    "premium": true
  },
  {
    "name": "sellerLongitude",
    "type": "float",
    "description": "Seller location longitude",
    "fillRate": 99,
    "premium": true
  },
  {
    "name": "sellerPhone",
    "type": "string",
    "description": "Seller phone number",
    "fillRate": 88,
    "premium": true
  },
  {
    "name": "sellerPhoneSMS",
    "type": "string",
    "description": "Seller SMS phone number",
    "fillRate": 86,
    "premium": true
  },
  {
    "name": "sellerWebsite",
    "type": "string",
    "description": "Seller website domain",
    "fillRate": 100,
    "premium": true
  },
  {
    "name": "isFranchiseDealer",
    "type": "bool",
    "description": "Whether seller is a franchise dealer",
    "fillRate": 61,
    "premium": false
  },
  {
    "name": "sellerSalesStatus",
    "type": "string",
    "description": "Seller sales status (PAYING, AVAILABLE)",
    "fillRate": 100,
    "premium": false
  },
  {
    "name": "sellerRating",
    "type": "float",
    "description": "Seller average rating",
    "fillRate": 95,
    "premium": false
  },
  {
    "name": "sellerReviewCount",
    "type": "float",
    "description": "Number of seller reviews",
    "fillRate": 95,
    "premium": false
  },
  {
    "name": "listingUrl",
    "type": "string",
    "description": "Full URL to the CarGurus.com listing page",
    "fillRate": 100,
    "premium": true
  }
]