{
  "url": "https://carsbuyer.org/diesel-ou-gasolina/audi-a4",
  "slug": "audi-a4",
  "brand": "Audi",
  "model": "A4",
  "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": 1995,
    "to": 2018
  },
  "diesel": {
    "sample_size": 120,
    "annual_depreciation_rate": 0.0836,
    "median_asking_eur": 4500,
    "median_mileage_km": 301000
  },
  "gasoline": {
    "sample_size": 20,
    "annual_depreciation_rate": 0.087,
    "median_asking_eur": 5000,
    "median_mileage_km": 197040
  },
  "rate_difference_pp_per_year": 0.3,
  "rate_difference_ci95_half_width_pp": 2.9,
  "distinguishable_at_95": false,
  "holds_value_better": null,
  "premium_by_age": [],
  "fit_r2": 0.666,
  "licence": "https://carsbuyer.org/metodologia#licenca"
}