{
  "url": "https://carsbuyer.org/pt/diesel-ou-gasolina/smart-fortwo-cabrio",
  "slug": "smart-fortwo-cabrio",
  "brand": "Smart",
  "model": "Fortwo Cabrio",
  "compares": "fuel_type",
  "measured": "asking_price",
  "method": "log(price) ~ age + log(mileage) + side + age*side, OLS on active listings",
  "collected_until": "2026-09-15",
  "model_years": {
    "from": 2001,
    "to": 2019
  },
  "diesel": {
    "sample_size": 25,
    "annual_depreciation_rate": 0.0706,
    "median_asking_eur": 5250,
    "median_mileage_km": 145000
  },
  "gasoline": {
    "sample_size": 21,
    "annual_depreciation_rate": 0.0812,
    "median_asking_eur": 5650,
    "median_mileage_km": 125000
  },
  "rate_difference_pp_per_year": 1.1,
  "rate_difference_ci95_half_width_pp": 2.6,
  "distinguishable_at_95": false,
  "holds_value_better": null,
  "premium_by_age": [
    {
      "age": 17,
      "premium_of": "diesel",
      "premium": -0.0411,
      "ci95_half_width": 0.1359
    }
  ],
  "fit_r2": 0.845,
  "licence": "https://carsbuyer.org/pt/metodologia#licenca"
}