if (selectedCarModelId != null && selectedCarSubModelId != null && selectedCarTrimId !=
                null && fromYearSelected != null && toYearSelected != null) {
                return carListings.filter {
                    selectedCarModelId == it.model_id && selectedCarSubModelId == it.submodel_id &&
                            selectedCarTrimId == it.trim_id && it.price < budgetValue &&
                            it.year > fromYearSelected!! && it.year < toYearSelected!! &&
                            it.mileage < mileageValue
                }
            } else if (selectedCarModelId != null && selectedCarSubModelId != null &&
                selectedCarTrimId != null && fromYearSelected != null) {
                return carListings.filter {
                    selectedCarModelId == it.model_id && selectedCarSubModelId == it.submodel_id &&
                            selectedCarTrimId == it.trim_id && it.year > fromYearSelected!!
                            && it.mileage < mileageValue && it.price < budgetValue
                }
            } else if (selectedCarModelId != null && selectedCarSubModelId != null && selectedCarTrimId != null) {
                return carListings.filter {
                    selectedCarModelId == it.model_id && selectedCarSubModelId == it.submodel_id &&
                            selectedCarTrimId == it.trim_id && it.mileage < mileageValue &&
                            it.price < budgetValue
                }
            } else if (selectedCarModelId != null && selectedCarSubModelId != null) {
                return carListings.filter {
                    selectedCarModelId == it.model_id && selectedCarSubModelId == it.submodel_id &&
                            it.mileage < mileageValue && it.price < budgetValue
                }
            } else if (selectedCarModelId != null) {
                return carListings.filter {
                    selectedCarModelId == it.model_id && it.mileage < mileageValue && it.price < budgetValue
                }
            } else {
                return carListings.filter {
                    it.mileage < mileageValue && it.price < budgetValue
                }
            }