If Car stands for more than 6 months. Many good parts of the car will be damaged, and it will be more heavy drain on owners pocket. Take proper care while storing car for longer period, like draining of petrol/Diesel from car, removing battery terminals, and make proper servicing of the car before it is going to be stored for longer period and periodical checkup of Air pressure is must for the good life of Tyres in my opinion Sir.