{
  "url": "https://carsbuyer.org/diesel-ou-gasolina/mini-3-portas",
  "slug": "mini-3-portas",
  "brand": "Mini",
  "model": "3 Portas",
  "compares": "fuel_type",
  "measured": "asking_price",
  "method": "log(price) ~ age + log(mileage) + side + age*side, OLS on active listings",
  "collected_until": "2026-08-30",
  "model_years": {
    "from": 2003,
    "to": 2024
  },
  "diesel": {
    "sample_size": 77,
    "annual_depreciation_rate": 0.0929,
    "median_asking_eur": 8000,
    "median_mileage_km": 184000
  },
  "gasoline": {
    "sample_size": 76,
    "annual_depreciation_rate": 0.0848,
    "median_asking_eur": 11620,
    "median_mileage_km": 140000
  },
  "rate_difference_pp_per_year": -0.8,
  "rate_difference_ci95_half_width_pp": 1.9,
  "distinguishable_at_95": false,
  "holds_value_better": null,
  "premium_by_age": [
    {
      "age": 10,
      "premium_of": "diesel",
      "premium": -0.1416,
      "ci95_half_width": 0.1
    },
    {
      "age": 13,
      "premium_of": "diesel",
      "premium": -0.1642,
      "ci95_half_width": 0.0742
    },
    {
      "age": 17,
      "premium_of": "diesel",
      "premium": -0.1934,
      "ci95_half_width": 0.092
    }
  ],
  "fit_r2": 0.784,
  "licence": "https://carsbuyer.org/metodologia#licenca"
}