{"methodology":"https://wiveda.de/auto-bewerten/methodik","brand_slug":"bmw","brand_name":"BMW","model_slug":"418-gran-coup","model_name":"418 Gran Coupé","sample_size":1,"price_min":16999,"price_median":16999,"price_max":16999,"thin":true,"price_history":[{"month":"2026-10","median_price":16999,"sample_size":1}],"generated_at":"2026-10-26T18:11:16.225169Z"}