{
  "url": "https://carsbuyer.org/manual-ou-automatica/mini-3-portas",
  "slug": "mini-3-portas",
  "brand": "Mini",
  "model": "3 Portas",
  "compares": "transmission",
  "measured": "asking_price",
  "method": "log(price) ~ age + log(mileage) + side + age*side, OLS on active listings",
  "collected_until": "2026-09-05",
  "model_years": {
    "from": 2002,
    "to": 2025
  },
  "manual": {
    "sample_size": 129,
    "annual_depreciation_rate": 0.0688,
    "median_asking_eur": 8000,
    "median_mileage_km": 170507
  },
  "automatic": {
    "sample_size": 37,
    "annual_depreciation_rate": 0.0303,
    "median_asking_eur": 20500,
    "median_mileage_km": 75322
  },
  "rate_difference_pp_per_year": -3.8,
  "rate_difference_ci95_half_width_pp": 2.6,
  "distinguishable_at_95": true,
  "holds_value_better": "automatic",
  "premium_by_age": [
    {
      "age": 9,
      "premium_of": "manual",
      "premium": -0.2926,
      "ci95_half_width": 0.0876
    },
    {
      "age": 13,
      "premium_of": "manual",
      "premium": -0.3985,
      "ci95_half_width": 0.0991
    },
    {
      "age": 17,
      "premium_of": "manual",
      "premium": -0.4885,
      "ci95_half_width": 0.1302
    }
  ],
  "fit_r2": 0.762,
  "licence": "https://carsbuyer.org/metodologia#licenca"
}