{"methodology":"https://wiveda.de/auto-bewerten/methodik","brand_slug":"mini","brand_name":"MINI","model_slug":"cooper-c","model_name":"Cooper C","sample_size":5,"price_min":27530,"price_median":27990,"price_max":29090,"thin":false,"price_history":[{"month":"2026-06","median_price":28240,"sample_size":4},{"month":"2026-07","median_price":27990,"sample_size":5},{"month":"2026-08","median_price":27990,"sample_size":5},{"month":"2026-09","median_price":27990,"sample_size":5}],"generated_at":"2026-09-11T14:11:38.423382Z"}