Entity DB object with immutable variables

public class Car
{
    private string _manufacturer;
    private string _modelName;

    public string Manufacturer => _manufacturer;
    public string ModelName => _modelName;

    [Required]
    public string Owner { get; set; }

    public Car(string manufacturer, string modelName, string owner)
    {
        _manufacturer = manufacturer;
        _modelName = modelName
        Owner = owner;
    }
}